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Ce3+/Mn2+-activated Ca7(PO4)2(SiO4)2: efficient luminescent materials for multifunctional applications

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Abstract

To develop new efficient phosphors for LEDs based on multifunctional applications, a series of Ce3+/Mn2+ activated Ca7(PO4)2(SiO4)2 (CPS) samples were prepared by solid-state reaction method. Upon 365 nm excitation, a broad emission band around 439 nm in the Ce3+-single-doped CPS was observed. The optimal Ce3+ concentration was determined to be 3%, for which the quantum efficiency was obtained to be 90.4%, higher than that of the commercial BAM phosphor. By monitoring 458 nm, an intense and broad excitation band was found from 240 to 400 nm, which can match well with the near-ultraviolet (NUV) LED chip. For Ce3+-Mn2+ codoped CPS, a new red emission band belonging to Mn2+ appeared and an energy transfer from Ce3+ to Mn2+ was confirmed. It was also found that the emission spectra of Ce3+/Mn2+ could well cover the optical absorption bands of plants. The fabrication of the phosphors on NUV LED chip indicates that the present phosphors could be promising in solid lighting and plants growth.

© 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

1. Introduction

Since environmental protection and power saving have become global issues in recent years, phosphors conversion light-emitting diodes (LEDs) have been extensively investigated due to their long lifetime, energy saving qualities, high luminous efficiency, reliability and low maintenance [1–3]. At present, the LEDs can serve in many fields, such as solid lighting, backlights, traffic signals, and plants growth [4,5]. First, as one of the most important applications for solid lighting, white LEDs are commercially available by combining the blue LED chip with a yellow-emitting Y3Al5O12:Ce3+ phosphor. Unfortunately, white light of this kind shows poor color rendering index (Ra < 80) and high correlated color temperature (CCT > 4500 K) owing to the red deficiency [6]. To overcome these disadvantages, an alternative strategy by combination of a near-ultraviolet (NUV) LED chip with tri-color phosphors (blue, green and red) has been developed [7]. As is known, the commercial blue-emitting BaMgAl10O17:Eu2+ (BAM) phosphor shows higher quantum efficiency (QE > 80%) [1] compared with the green and red phosphors, but the preparation temperature is high, ~1500 °C [8]. On the basis of the subject of power saving, it is necessary to develop new efficient blue-emitting phosphors owing to not only the further enhancement of luminous efficiency but also the decrease of the preparation temperature. Second, LED can be an artificial flexible lighting source for plant tissue culture. It is known that the energy for plants growth is mostly derived from light. However, the plants usually show selective light absorption. For instance, the carotenoids mainly absorbs purple blue light, but the chlorophyll absorbs not only the purple blue but also red light. On the other hand, the absorption spectra for different green plants are nearly the same. Thus, if tunable-emission of a luminescent material is available, different color blending schemes could cause various morphological, anatomical, and physiological attributes of plants growth in vitro [9]. Based on this point, exploring new emission-tunable phosphors is urgent currently in order to study the effect of LEDs on plants.

Nagelschmidtite Ca7(PO4)2(SiO4)2 (CPS) with a phosphate-sillcate framework has been well-known as a natural mineral [10]. Due to the high chemical and physical stability and low cost synthesis for phosphate and sillcate, the CPS could be an excellent host material for phosphors. So far, the Eu2+-activated CPS has been reported by Wei and Shi [11,12]; the luminescence of Dy3+/Eu3+-doped CPS was studied by Li [13]. Besides the above used activator ions, the Ce3+ and Mn2+ are also two very commonly used luminescent ions. It is well known that the Ce3+ with 4f-5d transition is allowed and can result in strong excitation/absorption intensity [14]. However, the Mn2+ is difficult to be excited owing to the parity-forbidden transition, although it can demonstrate a broadband red emission from 500 to 700 nm [15]. Fortunately, it is possible to introduce sensitizers, such as Ce3+ and Eu2+, to enhance the Mn2+ emission, by which the tunable-emission can be also produced. Many Ce3+-Mn2+ codoped phosphors for achieving tunable emission have been reported, such as Ca2.5Sr0.5Al2O6:Ce3+,Mn2+, Ca9Sc(PO4)7:Ce3+,Mn2+, CaZrSi2O7:Ce3+,Mn2+, Ba9Lu2Si6O24:Ce3+,Mn2+, and Y10(Si6O22N2)O2:Ce3+,Mn2+ [14–18]. To the best of our knowledge, the photoluminescence of the Ce3+/Mn2+ activated CPS phosphors have not been investigated. In this work, to develop new efficient blue and emission-tunable luminescent materials for LEDs, the CPS:Ce3+,Li+, Mn2+ phosphors were designed by high-temperature solid-state reaction method, and their luminescence properties were evaluated.

2. Experimental

The Ca7(1-2x)(PO4)2(SiO4)2:xCe3+,xLi+ (abbreviated as CPS:xCe3+,xLi+ 0.2% ≤ x ≤ 4%) and Ca7(0.94-y)(PO4)2(SiO4)2:3%Ce3+,3%Li+,yMn2+ (abbreviated as CPS:3%Ce3+,3%Li+,yMn2+, 0.5% ≤ y ≤ 3%) samples were prepared by the solid-state reaction method. The raw materials were CaCO3 (99%), (NH4)2HPO4 (99%), SiO2 (99%), Li2CO3 (99%), MnCO3 (99%), and CeO2 (99.99%). The equal amount of Li+ was used as charge compensation reagent when Ce3+ was doped. Stoichiometric amounts of the above reagents were ground together in an agate mortar, and then calcined at 1400 °C for 5 h in a reduction atmosphere (95%N2-5%H2).

The phase purity was determined by an ARL X'TRA powder X-ray diffractometer (XRD) with Cu Kα radiation (λ = 1.5418 Å) operating at 40 kV and 35 mA. The morphology was inspected by field emission scanning electron microscope (FESEM, FEI, Quanta FEG). The luminescence spectra were recorded on an EI-FS5 fluorescence spectrophotometer. The QE was determined by measuring the total absorption using an integrating sphere with the EI-FS5 spectrophotometer system. The decay curves and time-resolved photoluminescence (TRPL) spectra were recorded on the EI-FS5 fluorescence spectrophotometer with a 365 nm pulse source (the time range, channels and lamp trigger delay were set as 0.5 μs, 1000, and 0.03 μs, respectively). The temperature-dependent measurement was also carried out by using the EI-FS5 fluorescence spectrophotometer, during which the samples were mounted on a heating device and the temperature could change from room temperature to 573 K.

3. Results and discussion

Figure 1(a) shows the XRD patterns of the typical CPS:xCe3+,xLi+ (0.2% ≤ x ≤ 4%) and CPS:3%Ce3+,3%Li+,yMn2+ (y = 0.5% and 2%) phosphors. The diffraction peaks agree well with the JCPDS standard card (No. 11-0676), indicating the as-prepared samples are single-phase and the introduction of the dopants does not cause any impurity phase obviously. To learn the morphology characteristics of the phosphors, Fig. 1(b) presents the SEM image of the typical CPS:3%Ce3+,3%Li+ sample. It can be found that the particles’ scale is inhomogeneous ranging from 5 to 20 μm on the whole. But the sample demonstrates relatively good particle dispersion for the high-temperature solid-state reaction.

 figure: Fig. 1

Fig. 1 XRD patterns of CPS:xCe3+,xLi+ (0.2% ≤ x ≤ 4%) and CPS:3%Ce3+,3%Li+,yMn2+ (0.5% ≤ y ≤ 3%).

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The excitation spectrum of the typical CPS:3%Ce3+,3%Li+ sample is shown in Fig. 2(a). An intense excitation band covering a broad range of 240-400 nm is found, which can well match with the NUV LED chip. This excitation band could be attributed to the 4f1-4f05d1 transition of Ce3+ [19]. The emission spectra of the CPS:xCe3+,xLi+ (0.2% ≤ x ≤ 4%) phosphors upon 365 nm excitation are also presented in Fig. 2(a). Broad emission bands from 375 to 650 nm appear, which result from the 4f05d1-4f1 transition of Ce3+. It can be also found that the emission position changes with the Ce3+ concentration. To understand this point, Fig. 2(b) shows the normalized emission spectra of the CPS:xCe3+,xLi+ (0.2% ≤ x ≤ 4%) phosphors. A continuous red-shift is found for these emission bands. According to Ref [20]. for Eu2+ ion, it has been introduced that energy can be transferred to Eu2+ ions emitting at lower energy though energy migration in the energy transfer (ET) process. Similarly, the case for Ce3+ in this work could be combined with the ET between different Ce3+ occupation sites. As mentioned in Ref [11], more than one Ca2+ site could exist in the CPS compound. So different Ce3+ emission centers could be generated when the Ce3+ is introduced into the host lattices randomly. To explain this point, the TRPL spectra of the CPS:3%Ce3+,3%Li+ sample were illustrated in Fig. 3(a). With prolonging decay time, the emission intensity decreases sharply. The changes of the position and shape of the Ce3+ emission bands with decay time can be seen in the normalized TRPL spectra in Fig. 3(b). It is obvious that a shift (for about 35 nm) of the emission band towards the long-wavelength direction appears with prolonging decay time. At the same time, the band-width is increased. The above observation mainly result from different Ce3+ emission centers with different decay rate in emission intensity. As a result, the energy can be transferred to Ce3+ emitting at lower energy possibly via multiple ET steps. The decreasing Ce3+ decay lifetime with increasing Ce3+ concentration also supports this conclusion, because there will be additional decay channels that shorten the lifetime of the excited state owing to this ET, especially on the shorter wavelength side of the emission band [20]. Figure 4 shows the decay curves of the CPS:xCe3+,xLi+ (0.2% ≤ x ≤ 4%) phosphors by exciting at 365 nm and monitoring 395 nm. These decay curves can be fitted via a double-exponential function as [21]

I=A1exp(t/τ1)+A2exp(t/τ2)
where τ1 and τ2 are fast and slow components of the emission lifetimes, and A1 and A2 are fitting parameters, respectively. The corresponding τi and Ai (i = 1, 2) values were summarized in Table 1. By using the following equation [22]
<τ>=(A1τ12+A2τ22)/(A1τ1+A2τ2)
the average lifetimes were calculated to be 40.5, 38.8, 37.5, 36.6, 35.1 and 34.5 ns for x = 0.2%, 0.5%, 1%, 2%, 3% and 4%, respectively. Hence, the Ce3+ lifetime exhibits a gradual decrease with increasing Ce3+ concentration. From Fig. 2(a), it can be also found that the optimal Ce3+-doping concentration is for 3%. The emission intensity starts to decrease beyond this concentration due to the concentration quenching, for which the excited energy could migrate among the neighbouring Ce3+ ions by resonant ET until the energy reaches the defects where it can lose in some way [23]. To understand this ET mechanism, it is necessary to obtain the critical distance (Rc) for ET between two activator ions at the quenching concentration. Here, the Dexter formula is employed, expressed as follows [24]:
Rc6=0.63×1028×QAE4Fs(E)FA(E)dE
where QA = 4.8 × 10−16fd is the absorption cross section of Eu2+, fd ≈0.01 is the electric-dipole oscillator strength for Ce3+, ∫Fs(E)FA(E)dE represents the spectral overlap between the normalized shapes of Ce3+ emission Fs(E) and excitation FA(E), and E (in electronvolts) is the energy of maximum spectral overlap. In the CPS:3%Ce3+,3%Li+, the spectral overlap and the E value were calculated to be 0.0267 eV−1 and 3.22 eV, respectively. Hence, the Rc was obtained to be 14.0 Å. The critical distance is similar to those of some other Ce3+-activated phosphors, such as CaSrSiO4:Ce3+ (Rc = 12.05 Å) and Sr2.975-xBaxCe0.025AlO4F (Rc = 16 Å) [25,26].

 figure: Fig. 2

Fig. 2 (a) Excitation spectrum of CPS:3%Ce3+,3%Li+ and emission spectra of CPS:xCe3+,xLi+ (0.2 ≤ x ≤ 4%); (b) normalized emission spectra of CPS:xCe3+,xLi+ (0.2 ≤ x ≤ 4%).

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 figure: Fig. 3

Fig. 3 (a) TRPL spectra of CPS:3%Ce3+,3%Li+; (b) normalized TRPL spectra of CPS:3%Ce3+,3%Li+.

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 figure: Fig. 4

Fig. 4 Decay curves of CPS:xCe3+,xLi+ (0.2 ≤ x ≤ 4%).

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Tables Icon

Table 1. τi and Ai (i = 1, 2) values of CPS:xCe3+,xLi+ (0.2% ≤ x ≤ 4%) by exciting at 365 nm and monitoring 395 nm

To evaluate the brightness of the present phosphor, Fig. 5 shows the emission spectra of the CPS:3%Ce3+,3%Li+ and commercial BAM phosphors under 365 nm excitation. The predominant emission intensity of the CPS:3%Ce3+,3%Li+ is about half of that of the BAM, but the CPS:3%Ce3+,3%Li+ possesses a larger full width at half maximum (FWHM) relative to the BAM. As a result, the integrated intensity of the CPS:3%Ce3+,3%Li+ phosphor is about 101.2% as strong as that of the commercial BAM phosphor. The QEs for the CPS:3%Ce3+,3%Li+ and BAM phosphors were measured to be 90.4% and 86.5%, respectively. So, the CPS:3%Ce3+,3%Li+ phosphor has a higher luminous efficiency relative to the BAM. Moreover, the larger FWHM for the CPS:3%Ce3+,3%Li+ could generate white light with excellent Ra value by combining other phosphors in a fabrication of LEDs [6].

 figure: Fig. 5

Fig. 5 Comparison of emission spectra of CPS:3%Ce3+,3%Li+ and BAM.

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To evaluate the thermal stability of the CPS:3%Ce3+,3%Li+ phosphor, Fig. 6(a) represents its emission spectra by exciting at 365 nm under various temperatures. It is obvious that the emission intensity decreases gradually with increasing temperature. From the dependence of the emission intensity on temperature in Fig. 6(b), it can be seen that the emission intensity at 423 K is decreased by 30% of the initial value, and thermal quenching temperature T0.5 (the temperature at which the emission intensity is half of its initial intensity) is about 473 K. Although the thermal stability of CPS:3%Ce3+,3%Li+ is inferior to that of BAM, it has a relatively good temperature quenching effect, which reveals a better or comparable thermal stability compared with many other blue phosphors with high luminous efficiency reported previously, such as BaZrSi3O9:Eu2+ [27], Ba2Ln(BO3)2Cl:Ce3+ (Ln = Gd, Y) [28], and Ca5.45Li3.55(SiO4)3O0.45F1.55:Ce3+ [29]. Also, the CPS:3%Ce3+,3%Li+ phosphor can exhibits a higher T0.5 value than some other silicophosphate-based phosphors such as Ca5Y3Na2(PO4)5(SiO4)F2:Eu (T0.5 = 383 K) and Sr3CeNa(PO4)2SiO4:Eu (T0.5 = 423 K) phosphors [1,30]. According to Ref [31], the activation energy can be calculated by the Arrhenius equation:

I(T)=I01+Aexp(ΔEkT)
where I0 is the initial emission intensity, I(T) is the intensity at different temperatures, ΔE is activation energy of thermal quenching, A is a constant for a certain host, and k is the Boltzmann constant (8.629 × 10−5 eV/K). The plot of ln[(I0/I) - 1] vs. 1/kT for CPS:3%Ce3+,3%Li+ is shown in Fig. 6(c), from which a linear relationship ln[(I0/I)1]=7.040.286T has been obtained. Hence, the ΔE equals to 0.286 eV, which is higher than those of some other Ce3+ activated phosphors such as BaY2Si3O10:Ce3+ (ΔE = 0.25 eV) and Y4Si2O7N2:Ce3+ (ΔE = 0.22 eV) [31,32].

 figure: Fig. 6

Fig. 6 (a) Emission spectra of CPS:3%Ce3+,3%Li+ measured under various temperatures; (b) relative emission intensity of CPS:xCe3+,xLi+ as a function of temperature; (c) plot of ln[(I0/I) - 1] vs. 1/kT for CPS:xCe3+,xLi+.

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To supply the red emission component in the spectra, a series of Ce3+-Mn2+ codoped CPS phosphors were designed. Figure 7(a) depicts the emission spectra of the CPS:3%Ce3+,3%Li+,yMn2+ (0 ≤ y ≤ 3%) samples under 365 nm excitation. When the Mn2+ is incorporated, a new emission band around 650 nm comes out, which can be ascribed to the 4T1-6A1 transition of Mn2+ [33]. With increasing Mn2+ concentration, the emission intensity of Ce3+ decreases gradually and the Mn2+ emission has been enhanced until y = 2%. This observation reveals that an ET from Ce3+ to Mn2+ may occur. To interpret this point, the decay curves of the CPS:3%Ce3+,3%Li+,yMn2+ (0 ≤ y ≤ 3%) phosphors with 365 nm excitation and 439 nm emission are depicted in Fig. 7(b), which can be well fitted by Eq. (1). The corresponding τi and Ai (i = 1, 2) values are shown in Table 2. Using Eq. (2), the average lifetimes of CPS:3%Ce3+,3%Li+,yMn2+ have been determined to be 50.4, 48.5, 47.3, 44.8 and 42.1 ns for y = 0, 0.5%, 1%, 2%, and 3%, respectively. The decreasing average lifetime mainly results from the ET from Ce3+ to Mn2+. To learn the change of the emitting-light-color by codoping Mn2+ of different concentrations, the Commission International del’Eclairage (CIE) chromaticity coordinates of the CPS:3%Ce3+,3%Li+,yMn2+ (0 ≤ y ≤ 3%) phosphors were calculated, as shown in Fig. 8. It can be noticed that the emission color of the phosphors can be tuned from blue towards pink region gradually with increasing Mn2+ dopant content, which is in accordance with the ET process of the emission spectra in Fig. 7(a). In order to investigate the ET mechanism, the following relation can be employed on the basis of Dexter’s ET expression of multipolar interaction and Reisfeld’s approximation [34,35]:

τS0τSCα/3
where C is the concentration of Mn2+, τS and τS0 are the lifetime of the sensitizer Ce3+ in the present and absence of Mn2+, respectively. (τS0/τS) ∝ C with α = 6, 8 and 10 corresponds to the dipole-dipole, dipole-quadrupole, and quadrupole-quadrupole interactions, respectively. The dependences of τS0/τS of Ce3+ on CMn6/3, CMn8/3, and CMn10/3 are demonstrated in Fig. 9(a)-9(c), respectively. It can be noticed that the linear relationship can be obtained only for α = 6, which indicates that the ET from Ce3+ to Mn2+ takes place via a dipole-dipole mechanism.

 figure: Fig. 7

Fig. 7 (a) Emission spectra of CPS:3%Ce3+,3%Li+,yMn2+ (0 ≤ y ≤ 3%) under 365 nm excitation; (b) decay curves of CPS:3%Ce3+,3%Li+,yMn2+ (0 ≤ y ≤ 3%).

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Tables Icon

Table 2. τi and Ai (i = 1, 2) values of CPS:3%Ce3+,3%Li+,yMn2+ (0 ≤ y ≤ 3%) by exciting at 365 nm and monitoring 439 nm

 figure: Fig. 8

Fig. 8 CIE chromaticity diagram for CPS:3%Ce3+,3%Li+,yMn2+ (Points 1-5 are for y = 0, 0.5%, 1%, 2%, and 3%, respectively).

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 figure: Fig. 9

Fig. 9 Dependence of τS0/τS of Ce3+ on (a) CMn6/3, (b) CMn8/3 and (c) CMn10/3.

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Figure 10(a) shows the absorption spectra for chlorophyll a, chlorophyll b, and carotenoids in plants. For chlorophyll a, the absorption bands are mainly located in the purple blue and red ranges. For chlorophyll b, the absorption bands mostly exist in the cyan and red regions. However, the absorption bands of carotenoids just lie in the range from purple and cyan. Thus, for the plants growth application, it is necessary to obtain broad emission bands in the above regions for phosphors in LEDs. Figure 10(b) and 10(c) present the emission spectra upon 365 nm excitation of the CPS:3%Ce3+,3%Li+,yMn2+ phosphors for y = 0.2 and 0, respectively. It can be noticed that the strong emission of Ce3+ in the broad wavelength range from 375 to 575 nm can cover all the absorption bands of chlorophyll a, chlorophyll b, and carotenoids from 390 to 525 nm. On the other hand, the red Mn2+ emission in the region of 600-725 nm can give the supplement for the absorption in the red range for chlorophyll a and b. Thus, the CPS:3%Ce3+,3%Li+,yMn2+ phosphors could be promising in the plants growth.

 figure: Fig. 10

Fig. 10 (a) Absorption spectra of plants; emission spectra of CPS:3%Ce3+,3%Li+,yMn2+ ((b) and (c) are for y = 0.2 and 0, respectively).

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Figure 11 presents the electroluminescence (EL) spectra of phosphor converted (pc)-LED lamps. The fabrication was carried out with 365 nm LED chip and different kinds of phosphors and driven with 350 mA current. For the combination of the CPS:3%Ce3+,3%Li+ phosphor with the 365nm chip, an intense blue emission has been obtained (see insets (A) and (B)). The CIE chromaticity coordinates were obtained to be (0.202, 0.214). When the 365 nm chip is fabricated with the tri-color CPS:3%Ce3+,3%Li+, commercial (Ba,Sr)2SiO4:Eu2+ and CaAlSiN3:Eu2+, a warm white light can be produced (see insets (C) and (D)). The corresponding CIE chromaticity coordinates and CCT were calculated to be (0.361, 0.401) and 3683 K, respectively. The obtained 14 CRIs are shown in Table 3, where the average value Ra was calculated to be 92.5. Hence, high color rendering index has been achieved in this work.

 figure: Fig. 11

Fig. 11 EL spectra of pc-LED lamps fabricated with 365 nm chip and different kinds of phosphors, insets (A) and (B) show the digital photos for 365 nm chip + CPS:3%Ce3+,3%Li+, insets (C) and (D) show the digital photos for 365 nm chip + CPS:3%Ce3+,3%Li+ + (Ba,Sr)2SiO4:Eu2+ + CaAlSiN3:Eu2+.

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Tables Icon

Table 3. Full set of 14 CRIs of CPS:3%Ce3+,3%Li+, (Ba,Sr)2SiO4:Eu2+, and CaAlSiN3:Eu2+ with a 365 nm chip

4. Conclusions

In this work, the Ce3+/Mn2+ doped CPS phosphors were designed by solid-state reaction method. An intense excitation band attributed to the 4f1-4f05d1 transition of Ce3+ was found, which covers a broad region of 240-400 nm. Under 365 nm excitation, a blue emission band centered at 439 nm appeared for Ce3+, and the strongest emission intensity was obtained for x = 3%. The corresponding QE was measured to be 90.4%. The thermal stability of the CPS:3%Ce3+,3%Li+ phosphor is a little worse than that of the commercial BAM phosphor, but the CPS:3%Ce3+,3%Li+ shows a higher luminous efficiency. By comparing the spectra, it has been found that the Ce3+/Mn2+ emission bands could overlap the absorption spectra of chlorophyll a, chlorophyll b, and carotenoids in plants. The fabrication revealed the phosphors in this work could show multifunctional applications, including solid lighting and plant growth.

Funding

National Natural Science Foundation of China (No. 51602117) and National Natural Science Foundation in Higher Education of Jiangsu (No.15KJB460004).

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21. X. Fan, X. Xu, X. Yu, W. Chen, D. Zhou, and J. Qiu, “Wide band long persistent luminescence of Ca3Ga2Ge3O12: Tb3+, Tm3+ phosphor with synergistic effect of different traps,” Mater. Res. Bull. 99, 398–402 (2018). [CrossRef]  

22. T. Wang, W. Bian, D. Zhou, J. Qiu, X. Yu, and X. Xu, “Tunable LLP via energy transfer between Na2-y(Zn1-xGax)GeO4 sosoloid host and emission centers with the assistance of Zn vacancies,” J. Phys. Chem. C 119(25), 14047–14055 (2015). [CrossRef]  

23. J. Zhang and C. Jiang, “Luminescence Properties of Ca14Mg2(SiO4)8:Eu2+ from various sites for white-light-emitting diodes,” Mater. Res. Bull. 60, 467–473 (2014). [CrossRef]  

24. H. Lin, H. Liang, Z. Tian, B. Han, J. Wang, Q. Su, and G. Zhang, “Luminescence of Ba2Ca(BO3)2 : Ce3+-influence of charge compensator, energy transfer and LED application,” J. Phys. D Appl. Phys. 42(16), 165409 (2009). [CrossRef]  

25. S. Miao, Z. Xia, M. S. Molokeev, M. Chen, J. Zhang, and Q. Liu, “Effect of Al/Si substitution on the structure and luminescence properties of CaSrSiO4:Ce3+ phosphors: analysis based on the polyhedral distortion,” J. Mater. Chem. C Mater. Opt. Electron. Devices 3(18), 4616–4622 (2015). [CrossRef]  

26. W. B. Im, S. Brinkley, J. Hu, A. Mikhailovsky, S. P. DenBaars, and R. Seshadri, “Sr2.975-xBaxCe0.025AlO4F: a highly efficient green-emitting oxyfluoride phosphor for solid state white lighting,” Chem. Mater. 22(9), 2842–2849 (2010). [CrossRef]  

27. D.-Y. Wang, C.-H. Huang, Y.-C. Wu, and T.-M. Chen, “BaZrSi3O9:Eu2+: a cyan-emitting phosphor with high quantum efficiency for white light-emitting diodes,” J. Mater. Chem. 21(29), 10818–10822 (2011). [CrossRef]  

28. H. Jing, C. Guo, G. Zhang, X. Su, Z. Yang, and J. H. Jeong, “Photoluminescent properties of Ce3+ in compounds Ba2Ln(BO3)2Cl (Ln = Gd and Y),” J. Mater. Chem. 22(27), 13612–13618 (2012). [CrossRef]  

29. J. Zhou, Z. Xia, M. Yang, and K. Shen, “High efficiency blue-emitting phosphor: Ce3+-doped Ca5.45Li3.55(SiO4)3O0.45F1.55 for near UV-pumped light-emitting diodes,” J. Mater. Chem. 22(41), 21935–21941 (2012). [CrossRef]  

30. Y. Shi, B. Liu, W. Li, X. Yang, Z. Ci, C. Li, Z. Wang, and F. Chen, “Luminescence properties of Ca5Y3Na2(PO4)5(SiO4)F2:Eu phosphors,” J. Alloys Compd. 664, 492–498 (2016). [CrossRef]  

31. W.-R. Liu, C. C. Lin, Y.-C. Chiu, Y.-T. Yeh, S.-M. Jang, R.-S. Liu, and B.-M. Cheng, “Versatile phosphors BaY2Si3O10:RE (RE = Ce3+, Tb3+, Eu3+) for light-emitting diodes,” Opt. Express 17(20), 18103–18109 (2009). [CrossRef]   [PubMed]  

32. Z. Xia and W. Wu, “Preparation and luminescence properties of Ce3+ and Ce3+/Tb3+-activated Y4Si2O7N2 phosphors,” Dalton Trans. 42(36), 12989–12997 (2013). [CrossRef]   [PubMed]  

33. J. Zhang, Y. Wang, and Y. Huang, “Photoluminescence of Tb3+ and Mn2+ activated Ca8MgGd(PO4)7 under vacuum ultraviolet excitation,” Opt. Mater. 33(8), 1325–1330 (2011). [CrossRef]  

34. D. L. Dexter, “A theory of sensitized luminescence in solids,” J. Chem. Phys. 21(5), 836–850 (1953). [CrossRef]  

35. C.-H. Huang and T.-M. Chen, “Ca9La(PO4)7:Eu2+,Mn2+: an emission-tunable phosphor through efficient energy transfer for white light-emitting diodes,” Opt. Express 18(5), 5089–5099 (2010). [CrossRef]   [PubMed]  

References

  • View by:

  1. Y. Guo, S. H. Park, B. C. Choi, J. H. Jeong, and J. H. Kim, “Effect of La3+ ion doping on the performance of Eu2+ ions in novel Sr3CeNa(PO4)2SiO4 phosphors,” J. Alloys Compd. 724, 763–773 (2017).
    [Crossref]
  2. L. Han, X. Xie, J. Lian, Y. Wang, and C. Wang, “K2Y(WO4)(PO4): Tm3+, Dy3+: a potential tunable single-phased white-emitting phosphor under UV light excitation,” J. Lumin. 176, 71–76 (2016).
    [Crossref]
  3. M. Tian, P. Li, Z. Wang, Z. Li, J. Cheng, Y. Sun, C. Wang, X. Teng, Z. Yang, and F. Teng, “Controlling multi luminescent centers via anionic polyhedron substitution to achieve single Eu2+ activated high-color-rendering white light/tunable emissions in single-phased Ca2(BO3)1−x(PO4)xCl phosphors for ultraviolet converted LEDs,” Chem. Eng. J. 326, 667–679 (2017).
    [Crossref]
  4. J. Zhang, J. Jia, and Z. Hua, “Multicolor-emitting Ca3-x-ySry(PO4)2:xEu2+ (0 ≤ x ≤ 0.075, 0 ≤ y ≤ 2.2) phosphors for light-emitting diodes,” Mater. Des. 87, 124–129 (2015).
    [Crossref]
  5. N. Yeh and J.-P. Chung, “High-brightness LEDs—Energy efficient lighting sources and their potential in indoor plant cultivation,” Renew. Sustain. Energy Rev. 13(8), 2175–2180 (2009).
    [Crossref]
  6. C.-H. Huang, Y.-C. Chiu, Y.-T. Yeh, and T.-M. Chen, “Novel Eu2+-activated yellow-emitting Sr8MgLu(PO4)7 phosphors for white-light near-ultraviolet LEDs,” Mater. Express 2(4), 303–310 (2012).
    [Crossref]
  7. K. Li, M. Shang, H. Lian, and J. Lin, “Photoluminescence properties ofefficient blue-emitting phosphor α-Ca1.65Sr0.35SiO4:Ce3+: color tuning via the substitutions of Si by Al/Ga/B,” Inorg. Chem. 54(16), 7992–8002 (2015).
    [Crossref] [PubMed]
  8. B. Liu, Y. Wang, F. Zhang, Y. Wen, Q. Dong, and Z. Wang, “Thermal stability and photoluminescence of S-doped BaMgAl10O17:Eu2+ phosphors for plasma display panels,” Opt. Lett. 35(18), 3072–3074 (2010).
    [Crossref] [PubMed]
  9. S. Dutta Gupta and B. Jatothu, “Fundamentals and applications of light-emitting diodes (LEDs) in in vitro plant growth and morphogenesis,” Plant Biotechnol. Rep. 7(3), 211–220 (2013).
    [Crossref]
  10. M. Fleicher, L. J. Cabri, G. Y. Chao, and A. Pabst, “New mineral names,” Am. Mineral. 63, 424–427 (1978).
  11. D. Wei, Y. Huang, and H. J. Seo, “Novel yellowish-green emitting luminescence in Ca7Si2P2O16: Eu2+ phosphor,” Mater. Res. Bull. 48(9), 3614–3619 (2013).
    [Crossref]
  12. Y. Shi, G. Zhu, M. Mikami, Y. Shimomura, and Y. Wang, “Photoluminescence of green-emitting Ca7(PO4)2(SiO4)2:Eu2+ phosphor for white light emitting diodes,” Opt. Mater. Express 4(2), 280–287 (2014).
    [Crossref]
  13. J. Li, Y. Liu, W. Cao, Y. Gao, W. Zhang, and X. Lai, “Luminescence properties of Dy3+, Eu3+ co-doped Ca7Si2P2O16 single host phosphor,” Integr. Ferroelectr. 179(1), 1–9 (2017).
    [Crossref]
  14. M. Li, J. Zhang, J. Han, Z. Qiu, W. Zhou, L. Yu, Z. Li, and S. Lian, “Changing Ce3+ content and codoping Mn2+ induced tunable emission and energy transfer in Ca2.5Sr0.5Al2O6:Ce3+,Mn2+,” Inorg. Chem. 56(1), 241–251 (2017).
    [Crossref] [PubMed]
  15. H.-F. Li, Y.-L. Jia, T.-F. Ma, R. Pang, W.-Z. Sun, D. Li, J.-P. Fu, S. Zhang, L.-H. Jiang, and C.-Y. Li, “Ca9Sc(PO4)7:Ce3+,Mn2+ – A red-emitting phosphor based on energy transfer,” Eur. J. Inorg. Chem. 2016(6), 867–873 (2016).
    [Crossref]
  16. F. Wang, W. Wang, and Y. Jin, “Photoluminescence properties of Ce3+/Mn2+ doped calcium zirconium silicate phosphors with energy transfer for white LEDs,” Ceram. Int. 42(15), 16626–16632 (2016).
    [Crossref]
  17. K. Song, J. Zhang, Y. Liu, C. Zhang, J. Jiang, H. Jiang, and H.-B. Qin, “Red-emitting phosphor Ba9Lu2Si6O24:Ce3+,Mn2+ with enhanced energy transfer via self-charge compensation,” J. Phys. Chem. C 119(43), 24558–24563 (2015).
    [Crossref]
  18. D. Geng, H. Lian, M. Shang, Y. Zhang, and J. Lin, “Oxonitridosilicate Y10(Si6O22N2)O2:Ce3+,Mn2+ phosphors: a facile synthesis via the soft-chemical ammonolysis process, luminescence, and energy-transfer properties,” Inorg. Chem. 53(4), 2230–2239 (2014).
    [Crossref] [PubMed]
  19. K. A. Gedekar, S. P. Wankhede, S. V. Moharil, and R. M. Belekar, “Synthesis, crystal structure and luminescence in Ca3Al2O6,” J. Mater. Sci. Mater. Electron. 29(8), 6260–6265 (2018).
    [Crossref]
  20. V. Bachmann, C. Ronda, O. Oeckler, W. Schnick, and A. Meijerink, “Color point tuning for (Sr,Ca,Ba)Si2O2N2:Eu2+ for white light LEDs,” Chem. Mater. 21(2), 316–325 (2009).
    [Crossref]
  21. X. Fan, X. Xu, X. Yu, W. Chen, D. Zhou, and J. Qiu, “Wide band long persistent luminescence of Ca3Ga2Ge3O12: Tb3+, Tm3+ phosphor with synergistic effect of different traps,” Mater. Res. Bull. 99, 398–402 (2018).
    [Crossref]
  22. T. Wang, W. Bian, D. Zhou, J. Qiu, X. Yu, and X. Xu, “Tunable LLP via energy transfer between Na2-y(Zn1-xGax)GeO4 sosoloid host and emission centers with the assistance of Zn vacancies,” J. Phys. Chem. C 119(25), 14047–14055 (2015).
    [Crossref]
  23. J. Zhang and C. Jiang, “Luminescence Properties of Ca14Mg2(SiO4)8:Eu2+ from various sites for white-light-emitting diodes,” Mater. Res. Bull. 60, 467–473 (2014).
    [Crossref]
  24. H. Lin, H. Liang, Z. Tian, B. Han, J. Wang, Q. Su, and G. Zhang, “Luminescence of Ba2Ca(BO3)2 : Ce3+-influence of charge compensator, energy transfer and LED application,” J. Phys. D Appl. Phys. 42(16), 165409 (2009).
    [Crossref]
  25. S. Miao, Z. Xia, M. S. Molokeev, M. Chen, J. Zhang, and Q. Liu, “Effect of Al/Si substitution on the structure and luminescence properties of CaSrSiO4:Ce3+ phosphors: analysis based on the polyhedral distortion,” J. Mater. Chem. C Mater. Opt. Electron. Devices 3(18), 4616–4622 (2015).
    [Crossref]
  26. W. B. Im, S. Brinkley, J. Hu, A. Mikhailovsky, S. P. DenBaars, and R. Seshadri, “Sr2.975-xBaxCe0.025AlO4F: a highly efficient green-emitting oxyfluoride phosphor for solid state white lighting,” Chem. Mater. 22(9), 2842–2849 (2010).
    [Crossref]
  27. D.-Y. Wang, C.-H. Huang, Y.-C. Wu, and T.-M. Chen, “BaZrSi3O9:Eu2+: a cyan-emitting phosphor with high quantum efficiency for white light-emitting diodes,” J. Mater. Chem. 21(29), 10818–10822 (2011).
    [Crossref]
  28. H. Jing, C. Guo, G. Zhang, X. Su, Z. Yang, and J. H. Jeong, “Photoluminescent properties of Ce3+ in compounds Ba2Ln(BO3)2Cl (Ln = Gd and Y),” J. Mater. Chem. 22(27), 13612–13618 (2012).
    [Crossref]
  29. J. Zhou, Z. Xia, M. Yang, and K. Shen, “High efficiency blue-emitting phosphor: Ce3+-doped Ca5.45Li3.55(SiO4)3O0.45F1.55 for near UV-pumped light-emitting diodes,” J. Mater. Chem. 22(41), 21935–21941 (2012).
    [Crossref]
  30. Y. Shi, B. Liu, W. Li, X. Yang, Z. Ci, C. Li, Z. Wang, and F. Chen, “Luminescence properties of Ca5Y3Na2(PO4)5(SiO4)F2:Eu phosphors,” J. Alloys Compd. 664, 492–498 (2016).
    [Crossref]
  31. W.-R. Liu, C. C. Lin, Y.-C. Chiu, Y.-T. Yeh, S.-M. Jang, R.-S. Liu, and B.-M. Cheng, “Versatile phosphors BaY2Si3O10:RE (RE = Ce3+, Tb3+, Eu3+) for light-emitting diodes,” Opt. Express 17(20), 18103–18109 (2009).
    [Crossref] [PubMed]
  32. Z. Xia and W. Wu, “Preparation and luminescence properties of Ce3+ and Ce3+/Tb3+-activated Y4Si2O7N2 phosphors,” Dalton Trans. 42(36), 12989–12997 (2013).
    [Crossref] [PubMed]
  33. J. Zhang, Y. Wang, and Y. Huang, “Photoluminescence of Tb3+ and Mn2+ activated Ca8MgGd(PO4)7 under vacuum ultraviolet excitation,” Opt. Mater. 33(8), 1325–1330 (2011).
    [Crossref]
  34. D. L. Dexter, “A theory of sensitized luminescence in solids,” J. Chem. Phys. 21(5), 836–850 (1953).
    [Crossref]
  35. C.-H. Huang and T.-M. Chen, “Ca9La(PO4)7:Eu2+,Mn2+: an emission-tunable phosphor through efficient energy transfer for white light-emitting diodes,” Opt. Express 18(5), 5089–5099 (2010).
    [Crossref] [PubMed]

2018 (2)

K. A. Gedekar, S. P. Wankhede, S. V. Moharil, and R. M. Belekar, “Synthesis, crystal structure and luminescence in Ca3Al2O6,” J. Mater. Sci. Mater. Electron. 29(8), 6260–6265 (2018).
[Crossref]

X. Fan, X. Xu, X. Yu, W. Chen, D. Zhou, and J. Qiu, “Wide band long persistent luminescence of Ca3Ga2Ge3O12: Tb3+, Tm3+ phosphor with synergistic effect of different traps,” Mater. Res. Bull. 99, 398–402 (2018).
[Crossref]

2017 (4)

J. Li, Y. Liu, W. Cao, Y. Gao, W. Zhang, and X. Lai, “Luminescence properties of Dy3+, Eu3+ co-doped Ca7Si2P2O16 single host phosphor,” Integr. Ferroelectr. 179(1), 1–9 (2017).
[Crossref]

M. Li, J. Zhang, J. Han, Z. Qiu, W. Zhou, L. Yu, Z. Li, and S. Lian, “Changing Ce3+ content and codoping Mn2+ induced tunable emission and energy transfer in Ca2.5Sr0.5Al2O6:Ce3+,Mn2+,” Inorg. Chem. 56(1), 241–251 (2017).
[Crossref] [PubMed]

Y. Guo, S. H. Park, B. C. Choi, J. H. Jeong, and J. H. Kim, “Effect of La3+ ion doping on the performance of Eu2+ ions in novel Sr3CeNa(PO4)2SiO4 phosphors,” J. Alloys Compd. 724, 763–773 (2017).
[Crossref]

M. Tian, P. Li, Z. Wang, Z. Li, J. Cheng, Y. Sun, C. Wang, X. Teng, Z. Yang, and F. Teng, “Controlling multi luminescent centers via anionic polyhedron substitution to achieve single Eu2+ activated high-color-rendering white light/tunable emissions in single-phased Ca2(BO3)1−x(PO4)xCl phosphors for ultraviolet converted LEDs,” Chem. Eng. J. 326, 667–679 (2017).
[Crossref]

2016 (4)

L. Han, X. Xie, J. Lian, Y. Wang, and C. Wang, “K2Y(WO4)(PO4): Tm3+, Dy3+: a potential tunable single-phased white-emitting phosphor under UV light excitation,” J. Lumin. 176, 71–76 (2016).
[Crossref]

H.-F. Li, Y.-L. Jia, T.-F. Ma, R. Pang, W.-Z. Sun, D. Li, J.-P. Fu, S. Zhang, L.-H. Jiang, and C.-Y. Li, “Ca9Sc(PO4)7:Ce3+,Mn2+ – A red-emitting phosphor based on energy transfer,” Eur. J. Inorg. Chem. 2016(6), 867–873 (2016).
[Crossref]

F. Wang, W. Wang, and Y. Jin, “Photoluminescence properties of Ce3+/Mn2+ doped calcium zirconium silicate phosphors with energy transfer for white LEDs,” Ceram. Int. 42(15), 16626–16632 (2016).
[Crossref]

Y. Shi, B. Liu, W. Li, X. Yang, Z. Ci, C. Li, Z. Wang, and F. Chen, “Luminescence properties of Ca5Y3Na2(PO4)5(SiO4)F2:Eu phosphors,” J. Alloys Compd. 664, 492–498 (2016).
[Crossref]

2015 (5)

T. Wang, W. Bian, D. Zhou, J. Qiu, X. Yu, and X. Xu, “Tunable LLP via energy transfer between Na2-y(Zn1-xGax)GeO4 sosoloid host and emission centers with the assistance of Zn vacancies,” J. Phys. Chem. C 119(25), 14047–14055 (2015).
[Crossref]

S. Miao, Z. Xia, M. S. Molokeev, M. Chen, J. Zhang, and Q. Liu, “Effect of Al/Si substitution on the structure and luminescence properties of CaSrSiO4:Ce3+ phosphors: analysis based on the polyhedral distortion,” J. Mater. Chem. C Mater. Opt. Electron. Devices 3(18), 4616–4622 (2015).
[Crossref]

K. Song, J. Zhang, Y. Liu, C. Zhang, J. Jiang, H. Jiang, and H.-B. Qin, “Red-emitting phosphor Ba9Lu2Si6O24:Ce3+,Mn2+ with enhanced energy transfer via self-charge compensation,” J. Phys. Chem. C 119(43), 24558–24563 (2015).
[Crossref]

J. Zhang, J. Jia, and Z. Hua, “Multicolor-emitting Ca3-x-ySry(PO4)2:xEu2+ (0 ≤ x ≤ 0.075, 0 ≤ y ≤ 2.2) phosphors for light-emitting diodes,” Mater. Des. 87, 124–129 (2015).
[Crossref]

K. Li, M. Shang, H. Lian, and J. Lin, “Photoluminescence properties ofefficient blue-emitting phosphor α-Ca1.65Sr0.35SiO4:Ce3+: color tuning via the substitutions of Si by Al/Ga/B,” Inorg. Chem. 54(16), 7992–8002 (2015).
[Crossref] [PubMed]

2014 (3)

D. Geng, H. Lian, M. Shang, Y. Zhang, and J. Lin, “Oxonitridosilicate Y10(Si6O22N2)O2:Ce3+,Mn2+ phosphors: a facile synthesis via the soft-chemical ammonolysis process, luminescence, and energy-transfer properties,” Inorg. Chem. 53(4), 2230–2239 (2014).
[Crossref] [PubMed]

Y. Shi, G. Zhu, M. Mikami, Y. Shimomura, and Y. Wang, “Photoluminescence of green-emitting Ca7(PO4)2(SiO4)2:Eu2+ phosphor for white light emitting diodes,” Opt. Mater. Express 4(2), 280–287 (2014).
[Crossref]

J. Zhang and C. Jiang, “Luminescence Properties of Ca14Mg2(SiO4)8:Eu2+ from various sites for white-light-emitting diodes,” Mater. Res. Bull. 60, 467–473 (2014).
[Crossref]

2013 (3)

Z. Xia and W. Wu, “Preparation and luminescence properties of Ce3+ and Ce3+/Tb3+-activated Y4Si2O7N2 phosphors,” Dalton Trans. 42(36), 12989–12997 (2013).
[Crossref] [PubMed]

D. Wei, Y. Huang, and H. J. Seo, “Novel yellowish-green emitting luminescence in Ca7Si2P2O16: Eu2+ phosphor,” Mater. Res. Bull. 48(9), 3614–3619 (2013).
[Crossref]

S. Dutta Gupta and B. Jatothu, “Fundamentals and applications of light-emitting diodes (LEDs) in in vitro plant growth and morphogenesis,” Plant Biotechnol. Rep. 7(3), 211–220 (2013).
[Crossref]

2012 (3)

C.-H. Huang, Y.-C. Chiu, Y.-T. Yeh, and T.-M. Chen, “Novel Eu2+-activated yellow-emitting Sr8MgLu(PO4)7 phosphors for white-light near-ultraviolet LEDs,” Mater. Express 2(4), 303–310 (2012).
[Crossref]

H. Jing, C. Guo, G. Zhang, X. Su, Z. Yang, and J. H. Jeong, “Photoluminescent properties of Ce3+ in compounds Ba2Ln(BO3)2Cl (Ln = Gd and Y),” J. Mater. Chem. 22(27), 13612–13618 (2012).
[Crossref]

J. Zhou, Z. Xia, M. Yang, and K. Shen, “High efficiency blue-emitting phosphor: Ce3+-doped Ca5.45Li3.55(SiO4)3O0.45F1.55 for near UV-pumped light-emitting diodes,” J. Mater. Chem. 22(41), 21935–21941 (2012).
[Crossref]

2011 (2)

J. Zhang, Y. Wang, and Y. Huang, “Photoluminescence of Tb3+ and Mn2+ activated Ca8MgGd(PO4)7 under vacuum ultraviolet excitation,” Opt. Mater. 33(8), 1325–1330 (2011).
[Crossref]

D.-Y. Wang, C.-H. Huang, Y.-C. Wu, and T.-M. Chen, “BaZrSi3O9:Eu2+: a cyan-emitting phosphor with high quantum efficiency for white light-emitting diodes,” J. Mater. Chem. 21(29), 10818–10822 (2011).
[Crossref]

2010 (3)

2009 (4)

N. Yeh and J.-P. Chung, “High-brightness LEDs—Energy efficient lighting sources and their potential in indoor plant cultivation,” Renew. Sustain. Energy Rev. 13(8), 2175–2180 (2009).
[Crossref]

V. Bachmann, C. Ronda, O. Oeckler, W. Schnick, and A. Meijerink, “Color point tuning for (Sr,Ca,Ba)Si2O2N2:Eu2+ for white light LEDs,” Chem. Mater. 21(2), 316–325 (2009).
[Crossref]

W.-R. Liu, C. C. Lin, Y.-C. Chiu, Y.-T. Yeh, S.-M. Jang, R.-S. Liu, and B.-M. Cheng, “Versatile phosphors BaY2Si3O10:RE (RE = Ce3+, Tb3+, Eu3+) for light-emitting diodes,” Opt. Express 17(20), 18103–18109 (2009).
[Crossref] [PubMed]

H. Lin, H. Liang, Z. Tian, B. Han, J. Wang, Q. Su, and G. Zhang, “Luminescence of Ba2Ca(BO3)2 : Ce3+-influence of charge compensator, energy transfer and LED application,” J. Phys. D Appl. Phys. 42(16), 165409 (2009).
[Crossref]

1978 (1)

M. Fleicher, L. J. Cabri, G. Y. Chao, and A. Pabst, “New mineral names,” Am. Mineral. 63, 424–427 (1978).

1953 (1)

D. L. Dexter, “A theory of sensitized luminescence in solids,” J. Chem. Phys. 21(5), 836–850 (1953).
[Crossref]

Bachmann, V.

V. Bachmann, C. Ronda, O. Oeckler, W. Schnick, and A. Meijerink, “Color point tuning for (Sr,Ca,Ba)Si2O2N2:Eu2+ for white light LEDs,” Chem. Mater. 21(2), 316–325 (2009).
[Crossref]

Belekar, R. M.

K. A. Gedekar, S. P. Wankhede, S. V. Moharil, and R. M. Belekar, “Synthesis, crystal structure and luminescence in Ca3Al2O6,” J. Mater. Sci. Mater. Electron. 29(8), 6260–6265 (2018).
[Crossref]

Bian, W.

T. Wang, W. Bian, D. Zhou, J. Qiu, X. Yu, and X. Xu, “Tunable LLP via energy transfer between Na2-y(Zn1-xGax)GeO4 sosoloid host and emission centers with the assistance of Zn vacancies,” J. Phys. Chem. C 119(25), 14047–14055 (2015).
[Crossref]

Brinkley, S.

W. B. Im, S. Brinkley, J. Hu, A. Mikhailovsky, S. P. DenBaars, and R. Seshadri, “Sr2.975-xBaxCe0.025AlO4F: a highly efficient green-emitting oxyfluoride phosphor for solid state white lighting,” Chem. Mater. 22(9), 2842–2849 (2010).
[Crossref]

Cabri, L. J.

M. Fleicher, L. J. Cabri, G. Y. Chao, and A. Pabst, “New mineral names,” Am. Mineral. 63, 424–427 (1978).

Cao, W.

J. Li, Y. Liu, W. Cao, Y. Gao, W. Zhang, and X. Lai, “Luminescence properties of Dy3+, Eu3+ co-doped Ca7Si2P2O16 single host phosphor,” Integr. Ferroelectr. 179(1), 1–9 (2017).
[Crossref]

Chao, G. Y.

M. Fleicher, L. J. Cabri, G. Y. Chao, and A. Pabst, “New mineral names,” Am. Mineral. 63, 424–427 (1978).

Chen, F.

Y. Shi, B. Liu, W. Li, X. Yang, Z. Ci, C. Li, Z. Wang, and F. Chen, “Luminescence properties of Ca5Y3Na2(PO4)5(SiO4)F2:Eu phosphors,” J. Alloys Compd. 664, 492–498 (2016).
[Crossref]

Chen, M.

S. Miao, Z. Xia, M. S. Molokeev, M. Chen, J. Zhang, and Q. Liu, “Effect of Al/Si substitution on the structure and luminescence properties of CaSrSiO4:Ce3+ phosphors: analysis based on the polyhedral distortion,” J. Mater. Chem. C Mater. Opt. Electron. Devices 3(18), 4616–4622 (2015).
[Crossref]

Chen, T.-M.

C.-H. Huang, Y.-C. Chiu, Y.-T. Yeh, and T.-M. Chen, “Novel Eu2+-activated yellow-emitting Sr8MgLu(PO4)7 phosphors for white-light near-ultraviolet LEDs,” Mater. Express 2(4), 303–310 (2012).
[Crossref]

D.-Y. Wang, C.-H. Huang, Y.-C. Wu, and T.-M. Chen, “BaZrSi3O9:Eu2+: a cyan-emitting phosphor with high quantum efficiency for white light-emitting diodes,” J. Mater. Chem. 21(29), 10818–10822 (2011).
[Crossref]

C.-H. Huang and T.-M. Chen, “Ca9La(PO4)7:Eu2+,Mn2+: an emission-tunable phosphor through efficient energy transfer for white light-emitting diodes,” Opt. Express 18(5), 5089–5099 (2010).
[Crossref] [PubMed]

Chen, W.

X. Fan, X. Xu, X. Yu, W. Chen, D. Zhou, and J. Qiu, “Wide band long persistent luminescence of Ca3Ga2Ge3O12: Tb3+, Tm3+ phosphor with synergistic effect of different traps,” Mater. Res. Bull. 99, 398–402 (2018).
[Crossref]

Cheng, B.-M.

Cheng, J.

M. Tian, P. Li, Z. Wang, Z. Li, J. Cheng, Y. Sun, C. Wang, X. Teng, Z. Yang, and F. Teng, “Controlling multi luminescent centers via anionic polyhedron substitution to achieve single Eu2+ activated high-color-rendering white light/tunable emissions in single-phased Ca2(BO3)1−x(PO4)xCl phosphors for ultraviolet converted LEDs,” Chem. Eng. J. 326, 667–679 (2017).
[Crossref]

Chiu, Y.-C.

C.-H. Huang, Y.-C. Chiu, Y.-T. Yeh, and T.-M. Chen, “Novel Eu2+-activated yellow-emitting Sr8MgLu(PO4)7 phosphors for white-light near-ultraviolet LEDs,” Mater. Express 2(4), 303–310 (2012).
[Crossref]

W.-R. Liu, C. C. Lin, Y.-C. Chiu, Y.-T. Yeh, S.-M. Jang, R.-S. Liu, and B.-M. Cheng, “Versatile phosphors BaY2Si3O10:RE (RE = Ce3+, Tb3+, Eu3+) for light-emitting diodes,” Opt. Express 17(20), 18103–18109 (2009).
[Crossref] [PubMed]

Choi, B. C.

Y. Guo, S. H. Park, B. C. Choi, J. H. Jeong, and J. H. Kim, “Effect of La3+ ion doping on the performance of Eu2+ ions in novel Sr3CeNa(PO4)2SiO4 phosphors,” J. Alloys Compd. 724, 763–773 (2017).
[Crossref]

Chung, J.-P.

N. Yeh and J.-P. Chung, “High-brightness LEDs—Energy efficient lighting sources and their potential in indoor plant cultivation,” Renew. Sustain. Energy Rev. 13(8), 2175–2180 (2009).
[Crossref]

Ci, Z.

Y. Shi, B. Liu, W. Li, X. Yang, Z. Ci, C. Li, Z. Wang, and F. Chen, “Luminescence properties of Ca5Y3Na2(PO4)5(SiO4)F2:Eu phosphors,” J. Alloys Compd. 664, 492–498 (2016).
[Crossref]

DenBaars, S. P.

W. B. Im, S. Brinkley, J. Hu, A. Mikhailovsky, S. P. DenBaars, and R. Seshadri, “Sr2.975-xBaxCe0.025AlO4F: a highly efficient green-emitting oxyfluoride phosphor for solid state white lighting,” Chem. Mater. 22(9), 2842–2849 (2010).
[Crossref]

Dexter, D. L.

D. L. Dexter, “A theory of sensitized luminescence in solids,” J. Chem. Phys. 21(5), 836–850 (1953).
[Crossref]

Dong, Q.

Dutta Gupta, S.

S. Dutta Gupta and B. Jatothu, “Fundamentals and applications of light-emitting diodes (LEDs) in in vitro plant growth and morphogenesis,” Plant Biotechnol. Rep. 7(3), 211–220 (2013).
[Crossref]

Fan, X.

X. Fan, X. Xu, X. Yu, W. Chen, D. Zhou, and J. Qiu, “Wide band long persistent luminescence of Ca3Ga2Ge3O12: Tb3+, Tm3+ phosphor with synergistic effect of different traps,” Mater. Res. Bull. 99, 398–402 (2018).
[Crossref]

Fleicher, M.

M. Fleicher, L. J. Cabri, G. Y. Chao, and A. Pabst, “New mineral names,” Am. Mineral. 63, 424–427 (1978).

Fu, J.-P.

H.-F. Li, Y.-L. Jia, T.-F. Ma, R. Pang, W.-Z. Sun, D. Li, J.-P. Fu, S. Zhang, L.-H. Jiang, and C.-Y. Li, “Ca9Sc(PO4)7:Ce3+,Mn2+ – A red-emitting phosphor based on energy transfer,” Eur. J. Inorg. Chem. 2016(6), 867–873 (2016).
[Crossref]

Gao, Y.

J. Li, Y. Liu, W. Cao, Y. Gao, W. Zhang, and X. Lai, “Luminescence properties of Dy3+, Eu3+ co-doped Ca7Si2P2O16 single host phosphor,” Integr. Ferroelectr. 179(1), 1–9 (2017).
[Crossref]

Gedekar, K. A.

K. A. Gedekar, S. P. Wankhede, S. V. Moharil, and R. M. Belekar, “Synthesis, crystal structure and luminescence in Ca3Al2O6,” J. Mater. Sci. Mater. Electron. 29(8), 6260–6265 (2018).
[Crossref]

Geng, D.

D. Geng, H. Lian, M. Shang, Y. Zhang, and J. Lin, “Oxonitridosilicate Y10(Si6O22N2)O2:Ce3+,Mn2+ phosphors: a facile synthesis via the soft-chemical ammonolysis process, luminescence, and energy-transfer properties,” Inorg. Chem. 53(4), 2230–2239 (2014).
[Crossref] [PubMed]

Guo, C.

H. Jing, C. Guo, G. Zhang, X. Su, Z. Yang, and J. H. Jeong, “Photoluminescent properties of Ce3+ in compounds Ba2Ln(BO3)2Cl (Ln = Gd and Y),” J. Mater. Chem. 22(27), 13612–13618 (2012).
[Crossref]

Guo, Y.

Y. Guo, S. H. Park, B. C. Choi, J. H. Jeong, and J. H. Kim, “Effect of La3+ ion doping on the performance of Eu2+ ions in novel Sr3CeNa(PO4)2SiO4 phosphors,” J. Alloys Compd. 724, 763–773 (2017).
[Crossref]

Han, B.

H. Lin, H. Liang, Z. Tian, B. Han, J. Wang, Q. Su, and G. Zhang, “Luminescence of Ba2Ca(BO3)2 : Ce3+-influence of charge compensator, energy transfer and LED application,” J. Phys. D Appl. Phys. 42(16), 165409 (2009).
[Crossref]

Han, J.

M. Li, J. Zhang, J. Han, Z. Qiu, W. Zhou, L. Yu, Z. Li, and S. Lian, “Changing Ce3+ content and codoping Mn2+ induced tunable emission and energy transfer in Ca2.5Sr0.5Al2O6:Ce3+,Mn2+,” Inorg. Chem. 56(1), 241–251 (2017).
[Crossref] [PubMed]

Han, L.

L. Han, X. Xie, J. Lian, Y. Wang, and C. Wang, “K2Y(WO4)(PO4): Tm3+, Dy3+: a potential tunable single-phased white-emitting phosphor under UV light excitation,” J. Lumin. 176, 71–76 (2016).
[Crossref]

Hu, J.

W. B. Im, S. Brinkley, J. Hu, A. Mikhailovsky, S. P. DenBaars, and R. Seshadri, “Sr2.975-xBaxCe0.025AlO4F: a highly efficient green-emitting oxyfluoride phosphor for solid state white lighting,” Chem. Mater. 22(9), 2842–2849 (2010).
[Crossref]

Hua, Z.

J. Zhang, J. Jia, and Z. Hua, “Multicolor-emitting Ca3-x-ySry(PO4)2:xEu2+ (0 ≤ x ≤ 0.075, 0 ≤ y ≤ 2.2) phosphors for light-emitting diodes,” Mater. Des. 87, 124–129 (2015).
[Crossref]

Huang, C.-H.

C.-H. Huang, Y.-C. Chiu, Y.-T. Yeh, and T.-M. Chen, “Novel Eu2+-activated yellow-emitting Sr8MgLu(PO4)7 phosphors for white-light near-ultraviolet LEDs,” Mater. Express 2(4), 303–310 (2012).
[Crossref]

D.-Y. Wang, C.-H. Huang, Y.-C. Wu, and T.-M. Chen, “BaZrSi3O9:Eu2+: a cyan-emitting phosphor with high quantum efficiency for white light-emitting diodes,” J. Mater. Chem. 21(29), 10818–10822 (2011).
[Crossref]

C.-H. Huang and T.-M. Chen, “Ca9La(PO4)7:Eu2+,Mn2+: an emission-tunable phosphor through efficient energy transfer for white light-emitting diodes,” Opt. Express 18(5), 5089–5099 (2010).
[Crossref] [PubMed]

Huang, Y.

D. Wei, Y. Huang, and H. J. Seo, “Novel yellowish-green emitting luminescence in Ca7Si2P2O16: Eu2+ phosphor,” Mater. Res. Bull. 48(9), 3614–3619 (2013).
[Crossref]

J. Zhang, Y. Wang, and Y. Huang, “Photoluminescence of Tb3+ and Mn2+ activated Ca8MgGd(PO4)7 under vacuum ultraviolet excitation,” Opt. Mater. 33(8), 1325–1330 (2011).
[Crossref]

Im, W. B.

W. B. Im, S. Brinkley, J. Hu, A. Mikhailovsky, S. P. DenBaars, and R. Seshadri, “Sr2.975-xBaxCe0.025AlO4F: a highly efficient green-emitting oxyfluoride phosphor for solid state white lighting,” Chem. Mater. 22(9), 2842–2849 (2010).
[Crossref]

Jang, S.-M.

Jatothu, B.

S. Dutta Gupta and B. Jatothu, “Fundamentals and applications of light-emitting diodes (LEDs) in in vitro plant growth and morphogenesis,” Plant Biotechnol. Rep. 7(3), 211–220 (2013).
[Crossref]

Jeong, J. H.

Y. Guo, S. H. Park, B. C. Choi, J. H. Jeong, and J. H. Kim, “Effect of La3+ ion doping on the performance of Eu2+ ions in novel Sr3CeNa(PO4)2SiO4 phosphors,” J. Alloys Compd. 724, 763–773 (2017).
[Crossref]

H. Jing, C. Guo, G. Zhang, X. Su, Z. Yang, and J. H. Jeong, “Photoluminescent properties of Ce3+ in compounds Ba2Ln(BO3)2Cl (Ln = Gd and Y),” J. Mater. Chem. 22(27), 13612–13618 (2012).
[Crossref]

Jia, J.

J. Zhang, J. Jia, and Z. Hua, “Multicolor-emitting Ca3-x-ySry(PO4)2:xEu2+ (0 ≤ x ≤ 0.075, 0 ≤ y ≤ 2.2) phosphors for light-emitting diodes,” Mater. Des. 87, 124–129 (2015).
[Crossref]

Jia, Y.-L.

H.-F. Li, Y.-L. Jia, T.-F. Ma, R. Pang, W.-Z. Sun, D. Li, J.-P. Fu, S. Zhang, L.-H. Jiang, and C.-Y. Li, “Ca9Sc(PO4)7:Ce3+,Mn2+ – A red-emitting phosphor based on energy transfer,” Eur. J. Inorg. Chem. 2016(6), 867–873 (2016).
[Crossref]

Jiang, C.

J. Zhang and C. Jiang, “Luminescence Properties of Ca14Mg2(SiO4)8:Eu2+ from various sites for white-light-emitting diodes,” Mater. Res. Bull. 60, 467–473 (2014).
[Crossref]

Jiang, H.

K. Song, J. Zhang, Y. Liu, C. Zhang, J. Jiang, H. Jiang, and H.-B. Qin, “Red-emitting phosphor Ba9Lu2Si6O24:Ce3+,Mn2+ with enhanced energy transfer via self-charge compensation,” J. Phys. Chem. C 119(43), 24558–24563 (2015).
[Crossref]

Jiang, J.

K. Song, J. Zhang, Y. Liu, C. Zhang, J. Jiang, H. Jiang, and H.-B. Qin, “Red-emitting phosphor Ba9Lu2Si6O24:Ce3+,Mn2+ with enhanced energy transfer via self-charge compensation,” J. Phys. Chem. C 119(43), 24558–24563 (2015).
[Crossref]

Jiang, L.-H.

H.-F. Li, Y.-L. Jia, T.-F. Ma, R. Pang, W.-Z. Sun, D. Li, J.-P. Fu, S. Zhang, L.-H. Jiang, and C.-Y. Li, “Ca9Sc(PO4)7:Ce3+,Mn2+ – A red-emitting phosphor based on energy transfer,” Eur. J. Inorg. Chem. 2016(6), 867–873 (2016).
[Crossref]

Jin, Y.

F. Wang, W. Wang, and Y. Jin, “Photoluminescence properties of Ce3+/Mn2+ doped calcium zirconium silicate phosphors with energy transfer for white LEDs,” Ceram. Int. 42(15), 16626–16632 (2016).
[Crossref]

Jing, H.

H. Jing, C. Guo, G. Zhang, X. Su, Z. Yang, and J. H. Jeong, “Photoluminescent properties of Ce3+ in compounds Ba2Ln(BO3)2Cl (Ln = Gd and Y),” J. Mater. Chem. 22(27), 13612–13618 (2012).
[Crossref]

Kim, J. H.

Y. Guo, S. H. Park, B. C. Choi, J. H. Jeong, and J. H. Kim, “Effect of La3+ ion doping on the performance of Eu2+ ions in novel Sr3CeNa(PO4)2SiO4 phosphors,” J. Alloys Compd. 724, 763–773 (2017).
[Crossref]

Lai, X.

J. Li, Y. Liu, W. Cao, Y. Gao, W. Zhang, and X. Lai, “Luminescence properties of Dy3+, Eu3+ co-doped Ca7Si2P2O16 single host phosphor,” Integr. Ferroelectr. 179(1), 1–9 (2017).
[Crossref]

Li, C.

Y. Shi, B. Liu, W. Li, X. Yang, Z. Ci, C. Li, Z. Wang, and F. Chen, “Luminescence properties of Ca5Y3Na2(PO4)5(SiO4)F2:Eu phosphors,” J. Alloys Compd. 664, 492–498 (2016).
[Crossref]

Li, C.-Y.

H.-F. Li, Y.-L. Jia, T.-F. Ma, R. Pang, W.-Z. Sun, D. Li, J.-P. Fu, S. Zhang, L.-H. Jiang, and C.-Y. Li, “Ca9Sc(PO4)7:Ce3+,Mn2+ – A red-emitting phosphor based on energy transfer,” Eur. J. Inorg. Chem. 2016(6), 867–873 (2016).
[Crossref]

Li, D.

H.-F. Li, Y.-L. Jia, T.-F. Ma, R. Pang, W.-Z. Sun, D. Li, J.-P. Fu, S. Zhang, L.-H. Jiang, and C.-Y. Li, “Ca9Sc(PO4)7:Ce3+,Mn2+ – A red-emitting phosphor based on energy transfer,” Eur. J. Inorg. Chem. 2016(6), 867–873 (2016).
[Crossref]

Li, H.-F.

H.-F. Li, Y.-L. Jia, T.-F. Ma, R. Pang, W.-Z. Sun, D. Li, J.-P. Fu, S. Zhang, L.-H. Jiang, and C.-Y. Li, “Ca9Sc(PO4)7:Ce3+,Mn2+ – A red-emitting phosphor based on energy transfer,” Eur. J. Inorg. Chem. 2016(6), 867–873 (2016).
[Crossref]

Li, J.

J. Li, Y. Liu, W. Cao, Y. Gao, W. Zhang, and X. Lai, “Luminescence properties of Dy3+, Eu3+ co-doped Ca7Si2P2O16 single host phosphor,” Integr. Ferroelectr. 179(1), 1–9 (2017).
[Crossref]

Li, K.

K. Li, M. Shang, H. Lian, and J. Lin, “Photoluminescence properties ofefficient blue-emitting phosphor α-Ca1.65Sr0.35SiO4:Ce3+: color tuning via the substitutions of Si by Al/Ga/B,” Inorg. Chem. 54(16), 7992–8002 (2015).
[Crossref] [PubMed]

Li, M.

M. Li, J. Zhang, J. Han, Z. Qiu, W. Zhou, L. Yu, Z. Li, and S. Lian, “Changing Ce3+ content and codoping Mn2+ induced tunable emission and energy transfer in Ca2.5Sr0.5Al2O6:Ce3+,Mn2+,” Inorg. Chem. 56(1), 241–251 (2017).
[Crossref] [PubMed]

Li, P.

M. Tian, P. Li, Z. Wang, Z. Li, J. Cheng, Y. Sun, C. Wang, X. Teng, Z. Yang, and F. Teng, “Controlling multi luminescent centers via anionic polyhedron substitution to achieve single Eu2+ activated high-color-rendering white light/tunable emissions in single-phased Ca2(BO3)1−x(PO4)xCl phosphors for ultraviolet converted LEDs,” Chem. Eng. J. 326, 667–679 (2017).
[Crossref]

Li, W.

Y. Shi, B. Liu, W. Li, X. Yang, Z. Ci, C. Li, Z. Wang, and F. Chen, “Luminescence properties of Ca5Y3Na2(PO4)5(SiO4)F2:Eu phosphors,” J. Alloys Compd. 664, 492–498 (2016).
[Crossref]

Li, Z.

M. Tian, P. Li, Z. Wang, Z. Li, J. Cheng, Y. Sun, C. Wang, X. Teng, Z. Yang, and F. Teng, “Controlling multi luminescent centers via anionic polyhedron substitution to achieve single Eu2+ activated high-color-rendering white light/tunable emissions in single-phased Ca2(BO3)1−x(PO4)xCl phosphors for ultraviolet converted LEDs,” Chem. Eng. J. 326, 667–679 (2017).
[Crossref]

M. Li, J. Zhang, J. Han, Z. Qiu, W. Zhou, L. Yu, Z. Li, and S. Lian, “Changing Ce3+ content and codoping Mn2+ induced tunable emission and energy transfer in Ca2.5Sr0.5Al2O6:Ce3+,Mn2+,” Inorg. Chem. 56(1), 241–251 (2017).
[Crossref] [PubMed]

Lian, H.

K. Li, M. Shang, H. Lian, and J. Lin, “Photoluminescence properties ofefficient blue-emitting phosphor α-Ca1.65Sr0.35SiO4:Ce3+: color tuning via the substitutions of Si by Al/Ga/B,” Inorg. Chem. 54(16), 7992–8002 (2015).
[Crossref] [PubMed]

D. Geng, H. Lian, M. Shang, Y. Zhang, and J. Lin, “Oxonitridosilicate Y10(Si6O22N2)O2:Ce3+,Mn2+ phosphors: a facile synthesis via the soft-chemical ammonolysis process, luminescence, and energy-transfer properties,” Inorg. Chem. 53(4), 2230–2239 (2014).
[Crossref] [PubMed]

Lian, J.

L. Han, X. Xie, J. Lian, Y. Wang, and C. Wang, “K2Y(WO4)(PO4): Tm3+, Dy3+: a potential tunable single-phased white-emitting phosphor under UV light excitation,” J. Lumin. 176, 71–76 (2016).
[Crossref]

Lian, S.

M. Li, J. Zhang, J. Han, Z. Qiu, W. Zhou, L. Yu, Z. Li, and S. Lian, “Changing Ce3+ content and codoping Mn2+ induced tunable emission and energy transfer in Ca2.5Sr0.5Al2O6:Ce3+,Mn2+,” Inorg. Chem. 56(1), 241–251 (2017).
[Crossref] [PubMed]

Liang, H.

H. Lin, H. Liang, Z. Tian, B. Han, J. Wang, Q. Su, and G. Zhang, “Luminescence of Ba2Ca(BO3)2 : Ce3+-influence of charge compensator, energy transfer and LED application,” J. Phys. D Appl. Phys. 42(16), 165409 (2009).
[Crossref]

Lin, C. C.

Lin, H.

H. Lin, H. Liang, Z. Tian, B. Han, J. Wang, Q. Su, and G. Zhang, “Luminescence of Ba2Ca(BO3)2 : Ce3+-influence of charge compensator, energy transfer and LED application,” J. Phys. D Appl. Phys. 42(16), 165409 (2009).
[Crossref]

Lin, J.

K. Li, M. Shang, H. Lian, and J. Lin, “Photoluminescence properties ofefficient blue-emitting phosphor α-Ca1.65Sr0.35SiO4:Ce3+: color tuning via the substitutions of Si by Al/Ga/B,” Inorg. Chem. 54(16), 7992–8002 (2015).
[Crossref] [PubMed]

D. Geng, H. Lian, M. Shang, Y. Zhang, and J. Lin, “Oxonitridosilicate Y10(Si6O22N2)O2:Ce3+,Mn2+ phosphors: a facile synthesis via the soft-chemical ammonolysis process, luminescence, and energy-transfer properties,” Inorg. Chem. 53(4), 2230–2239 (2014).
[Crossref] [PubMed]

Liu, B.

Y. Shi, B. Liu, W. Li, X. Yang, Z. Ci, C. Li, Z. Wang, and F. Chen, “Luminescence properties of Ca5Y3Na2(PO4)5(SiO4)F2:Eu phosphors,” J. Alloys Compd. 664, 492–498 (2016).
[Crossref]

B. Liu, Y. Wang, F. Zhang, Y. Wen, Q. Dong, and Z. Wang, “Thermal stability and photoluminescence of S-doped BaMgAl10O17:Eu2+ phosphors for plasma display panels,” Opt. Lett. 35(18), 3072–3074 (2010).
[Crossref] [PubMed]

Liu, Q.

S. Miao, Z. Xia, M. S. Molokeev, M. Chen, J. Zhang, and Q. Liu, “Effect of Al/Si substitution on the structure and luminescence properties of CaSrSiO4:Ce3+ phosphors: analysis based on the polyhedral distortion,” J. Mater. Chem. C Mater. Opt. Electron. Devices 3(18), 4616–4622 (2015).
[Crossref]

Liu, R.-S.

Liu, W.-R.

Liu, Y.

J. Li, Y. Liu, W. Cao, Y. Gao, W. Zhang, and X. Lai, “Luminescence properties of Dy3+, Eu3+ co-doped Ca7Si2P2O16 single host phosphor,” Integr. Ferroelectr. 179(1), 1–9 (2017).
[Crossref]

K. Song, J. Zhang, Y. Liu, C. Zhang, J. Jiang, H. Jiang, and H.-B. Qin, “Red-emitting phosphor Ba9Lu2Si6O24:Ce3+,Mn2+ with enhanced energy transfer via self-charge compensation,” J. Phys. Chem. C 119(43), 24558–24563 (2015).
[Crossref]

Ma, T.-F.

H.-F. Li, Y.-L. Jia, T.-F. Ma, R. Pang, W.-Z. Sun, D. Li, J.-P. Fu, S. Zhang, L.-H. Jiang, and C.-Y. Li, “Ca9Sc(PO4)7:Ce3+,Mn2+ – A red-emitting phosphor based on energy transfer,” Eur. J. Inorg. Chem. 2016(6), 867–873 (2016).
[Crossref]

Meijerink, A.

V. Bachmann, C. Ronda, O. Oeckler, W. Schnick, and A. Meijerink, “Color point tuning for (Sr,Ca,Ba)Si2O2N2:Eu2+ for white light LEDs,” Chem. Mater. 21(2), 316–325 (2009).
[Crossref]

Miao, S.

S. Miao, Z. Xia, M. S. Molokeev, M. Chen, J. Zhang, and Q. Liu, “Effect of Al/Si substitution on the structure and luminescence properties of CaSrSiO4:Ce3+ phosphors: analysis based on the polyhedral distortion,” J. Mater. Chem. C Mater. Opt. Electron. Devices 3(18), 4616–4622 (2015).
[Crossref]

Mikami, M.

Mikhailovsky, A.

W. B. Im, S. Brinkley, J. Hu, A. Mikhailovsky, S. P. DenBaars, and R. Seshadri, “Sr2.975-xBaxCe0.025AlO4F: a highly efficient green-emitting oxyfluoride phosphor for solid state white lighting,” Chem. Mater. 22(9), 2842–2849 (2010).
[Crossref]

Moharil, S. V.

K. A. Gedekar, S. P. Wankhede, S. V. Moharil, and R. M. Belekar, “Synthesis, crystal structure and luminescence in Ca3Al2O6,” J. Mater. Sci. Mater. Electron. 29(8), 6260–6265 (2018).
[Crossref]

Molokeev, M. S.

S. Miao, Z. Xia, M. S. Molokeev, M. Chen, J. Zhang, and Q. Liu, “Effect of Al/Si substitution on the structure and luminescence properties of CaSrSiO4:Ce3+ phosphors: analysis based on the polyhedral distortion,” J. Mater. Chem. C Mater. Opt. Electron. Devices 3(18), 4616–4622 (2015).
[Crossref]

Oeckler, O.

V. Bachmann, C. Ronda, O. Oeckler, W. Schnick, and A. Meijerink, “Color point tuning for (Sr,Ca,Ba)Si2O2N2:Eu2+ for white light LEDs,” Chem. Mater. 21(2), 316–325 (2009).
[Crossref]

Pabst, A.

M. Fleicher, L. J. Cabri, G. Y. Chao, and A. Pabst, “New mineral names,” Am. Mineral. 63, 424–427 (1978).

Pang, R.

H.-F. Li, Y.-L. Jia, T.-F. Ma, R. Pang, W.-Z. Sun, D. Li, J.-P. Fu, S. Zhang, L.-H. Jiang, and C.-Y. Li, “Ca9Sc(PO4)7:Ce3+,Mn2+ – A red-emitting phosphor based on energy transfer,” Eur. J. Inorg. Chem. 2016(6), 867–873 (2016).
[Crossref]

Park, S. H.

Y. Guo, S. H. Park, B. C. Choi, J. H. Jeong, and J. H. Kim, “Effect of La3+ ion doping on the performance of Eu2+ ions in novel Sr3CeNa(PO4)2SiO4 phosphors,” J. Alloys Compd. 724, 763–773 (2017).
[Crossref]

Qin, H.-B.

K. Song, J. Zhang, Y. Liu, C. Zhang, J. Jiang, H. Jiang, and H.-B. Qin, “Red-emitting phosphor Ba9Lu2Si6O24:Ce3+,Mn2+ with enhanced energy transfer via self-charge compensation,” J. Phys. Chem. C 119(43), 24558–24563 (2015).
[Crossref]

Qiu, J.

X. Fan, X. Xu, X. Yu, W. Chen, D. Zhou, and J. Qiu, “Wide band long persistent luminescence of Ca3Ga2Ge3O12: Tb3+, Tm3+ phosphor with synergistic effect of different traps,” Mater. Res. Bull. 99, 398–402 (2018).
[Crossref]

T. Wang, W. Bian, D. Zhou, J. Qiu, X. Yu, and X. Xu, “Tunable LLP via energy transfer between Na2-y(Zn1-xGax)GeO4 sosoloid host and emission centers with the assistance of Zn vacancies,” J. Phys. Chem. C 119(25), 14047–14055 (2015).
[Crossref]

Qiu, Z.

M. Li, J. Zhang, J. Han, Z. Qiu, W. Zhou, L. Yu, Z. Li, and S. Lian, “Changing Ce3+ content and codoping Mn2+ induced tunable emission and energy transfer in Ca2.5Sr0.5Al2O6:Ce3+,Mn2+,” Inorg. Chem. 56(1), 241–251 (2017).
[Crossref] [PubMed]

Ronda, C.

V. Bachmann, C. Ronda, O. Oeckler, W. Schnick, and A. Meijerink, “Color point tuning for (Sr,Ca,Ba)Si2O2N2:Eu2+ for white light LEDs,” Chem. Mater. 21(2), 316–325 (2009).
[Crossref]

Schnick, W.

V. Bachmann, C. Ronda, O. Oeckler, W. Schnick, and A. Meijerink, “Color point tuning for (Sr,Ca,Ba)Si2O2N2:Eu2+ for white light LEDs,” Chem. Mater. 21(2), 316–325 (2009).
[Crossref]

Seo, H. J.

D. Wei, Y. Huang, and H. J. Seo, “Novel yellowish-green emitting luminescence in Ca7Si2P2O16: Eu2+ phosphor,” Mater. Res. Bull. 48(9), 3614–3619 (2013).
[Crossref]

Seshadri, R.

W. B. Im, S. Brinkley, J. Hu, A. Mikhailovsky, S. P. DenBaars, and R. Seshadri, “Sr2.975-xBaxCe0.025AlO4F: a highly efficient green-emitting oxyfluoride phosphor for solid state white lighting,” Chem. Mater. 22(9), 2842–2849 (2010).
[Crossref]

Shang, M.

K. Li, M. Shang, H. Lian, and J. Lin, “Photoluminescence properties ofefficient blue-emitting phosphor α-Ca1.65Sr0.35SiO4:Ce3+: color tuning via the substitutions of Si by Al/Ga/B,” Inorg. Chem. 54(16), 7992–8002 (2015).
[Crossref] [PubMed]

D. Geng, H. Lian, M. Shang, Y. Zhang, and J. Lin, “Oxonitridosilicate Y10(Si6O22N2)O2:Ce3+,Mn2+ phosphors: a facile synthesis via the soft-chemical ammonolysis process, luminescence, and energy-transfer properties,” Inorg. Chem. 53(4), 2230–2239 (2014).
[Crossref] [PubMed]

Shen, K.

J. Zhou, Z. Xia, M. Yang, and K. Shen, “High efficiency blue-emitting phosphor: Ce3+-doped Ca5.45Li3.55(SiO4)3O0.45F1.55 for near UV-pumped light-emitting diodes,” J. Mater. Chem. 22(41), 21935–21941 (2012).
[Crossref]

Shi, Y.

Y. Shi, B. Liu, W. Li, X. Yang, Z. Ci, C. Li, Z. Wang, and F. Chen, “Luminescence properties of Ca5Y3Na2(PO4)5(SiO4)F2:Eu phosphors,” J. Alloys Compd. 664, 492–498 (2016).
[Crossref]

Y. Shi, G. Zhu, M. Mikami, Y. Shimomura, and Y. Wang, “Photoluminescence of green-emitting Ca7(PO4)2(SiO4)2:Eu2+ phosphor for white light emitting diodes,” Opt. Mater. Express 4(2), 280–287 (2014).
[Crossref]

Shimomura, Y.

Song, K.

K. Song, J. Zhang, Y. Liu, C. Zhang, J. Jiang, H. Jiang, and H.-B. Qin, “Red-emitting phosphor Ba9Lu2Si6O24:Ce3+,Mn2+ with enhanced energy transfer via self-charge compensation,” J. Phys. Chem. C 119(43), 24558–24563 (2015).
[Crossref]

Su, Q.

H. Lin, H. Liang, Z. Tian, B. Han, J. Wang, Q. Su, and G. Zhang, “Luminescence of Ba2Ca(BO3)2 : Ce3+-influence of charge compensator, energy transfer and LED application,” J. Phys. D Appl. Phys. 42(16), 165409 (2009).
[Crossref]

Su, X.

H. Jing, C. Guo, G. Zhang, X. Su, Z. Yang, and J. H. Jeong, “Photoluminescent properties of Ce3+ in compounds Ba2Ln(BO3)2Cl (Ln = Gd and Y),” J. Mater. Chem. 22(27), 13612–13618 (2012).
[Crossref]

Sun, W.-Z.

H.-F. Li, Y.-L. Jia, T.-F. Ma, R. Pang, W.-Z. Sun, D. Li, J.-P. Fu, S. Zhang, L.-H. Jiang, and C.-Y. Li, “Ca9Sc(PO4)7:Ce3+,Mn2+ – A red-emitting phosphor based on energy transfer,” Eur. J. Inorg. Chem. 2016(6), 867–873 (2016).
[Crossref]

Sun, Y.

M. Tian, P. Li, Z. Wang, Z. Li, J. Cheng, Y. Sun, C. Wang, X. Teng, Z. Yang, and F. Teng, “Controlling multi luminescent centers via anionic polyhedron substitution to achieve single Eu2+ activated high-color-rendering white light/tunable emissions in single-phased Ca2(BO3)1−x(PO4)xCl phosphors for ultraviolet converted LEDs,” Chem. Eng. J. 326, 667–679 (2017).
[Crossref]

Teng, F.

M. Tian, P. Li, Z. Wang, Z. Li, J. Cheng, Y. Sun, C. Wang, X. Teng, Z. Yang, and F. Teng, “Controlling multi luminescent centers via anionic polyhedron substitution to achieve single Eu2+ activated high-color-rendering white light/tunable emissions in single-phased Ca2(BO3)1−x(PO4)xCl phosphors for ultraviolet converted LEDs,” Chem. Eng. J. 326, 667–679 (2017).
[Crossref]

Teng, X.

M. Tian, P. Li, Z. Wang, Z. Li, J. Cheng, Y. Sun, C. Wang, X. Teng, Z. Yang, and F. Teng, “Controlling multi luminescent centers via anionic polyhedron substitution to achieve single Eu2+ activated high-color-rendering white light/tunable emissions in single-phased Ca2(BO3)1−x(PO4)xCl phosphors for ultraviolet converted LEDs,” Chem. Eng. J. 326, 667–679 (2017).
[Crossref]

Tian, M.

M. Tian, P. Li, Z. Wang, Z. Li, J. Cheng, Y. Sun, C. Wang, X. Teng, Z. Yang, and F. Teng, “Controlling multi luminescent centers via anionic polyhedron substitution to achieve single Eu2+ activated high-color-rendering white light/tunable emissions in single-phased Ca2(BO3)1−x(PO4)xCl phosphors for ultraviolet converted LEDs,” Chem. Eng. J. 326, 667–679 (2017).
[Crossref]

Tian, Z.

H. Lin, H. Liang, Z. Tian, B. Han, J. Wang, Q. Su, and G. Zhang, “Luminescence of Ba2Ca(BO3)2 : Ce3+-influence of charge compensator, energy transfer and LED application,” J. Phys. D Appl. Phys. 42(16), 165409 (2009).
[Crossref]

Wang, C.

M. Tian, P. Li, Z. Wang, Z. Li, J. Cheng, Y. Sun, C. Wang, X. Teng, Z. Yang, and F. Teng, “Controlling multi luminescent centers via anionic polyhedron substitution to achieve single Eu2+ activated high-color-rendering white light/tunable emissions in single-phased Ca2(BO3)1−x(PO4)xCl phosphors for ultraviolet converted LEDs,” Chem. Eng. J. 326, 667–679 (2017).
[Crossref]

L. Han, X. Xie, J. Lian, Y. Wang, and C. Wang, “K2Y(WO4)(PO4): Tm3+, Dy3+: a potential tunable single-phased white-emitting phosphor under UV light excitation,” J. Lumin. 176, 71–76 (2016).
[Crossref]

Wang, D.-Y.

D.-Y. Wang, C.-H. Huang, Y.-C. Wu, and T.-M. Chen, “BaZrSi3O9:Eu2+: a cyan-emitting phosphor with high quantum efficiency for white light-emitting diodes,” J. Mater. Chem. 21(29), 10818–10822 (2011).
[Crossref]

Wang, F.

F. Wang, W. Wang, and Y. Jin, “Photoluminescence properties of Ce3+/Mn2+ doped calcium zirconium silicate phosphors with energy transfer for white LEDs,” Ceram. Int. 42(15), 16626–16632 (2016).
[Crossref]

Wang, J.

H. Lin, H. Liang, Z. Tian, B. Han, J. Wang, Q. Su, and G. Zhang, “Luminescence of Ba2Ca(BO3)2 : Ce3+-influence of charge compensator, energy transfer and LED application,” J. Phys. D Appl. Phys. 42(16), 165409 (2009).
[Crossref]

Wang, T.

T. Wang, W. Bian, D. Zhou, J. Qiu, X. Yu, and X. Xu, “Tunable LLP via energy transfer between Na2-y(Zn1-xGax)GeO4 sosoloid host and emission centers with the assistance of Zn vacancies,” J. Phys. Chem. C 119(25), 14047–14055 (2015).
[Crossref]

Wang, W.

F. Wang, W. Wang, and Y. Jin, “Photoluminescence properties of Ce3+/Mn2+ doped calcium zirconium silicate phosphors with energy transfer for white LEDs,” Ceram. Int. 42(15), 16626–16632 (2016).
[Crossref]

Wang, Y.

L. Han, X. Xie, J. Lian, Y. Wang, and C. Wang, “K2Y(WO4)(PO4): Tm3+, Dy3+: a potential tunable single-phased white-emitting phosphor under UV light excitation,” J. Lumin. 176, 71–76 (2016).
[Crossref]

Y. Shi, G. Zhu, M. Mikami, Y. Shimomura, and Y. Wang, “Photoluminescence of green-emitting Ca7(PO4)2(SiO4)2:Eu2+ phosphor for white light emitting diodes,” Opt. Mater. Express 4(2), 280–287 (2014).
[Crossref]

J. Zhang, Y. Wang, and Y. Huang, “Photoluminescence of Tb3+ and Mn2+ activated Ca8MgGd(PO4)7 under vacuum ultraviolet excitation,” Opt. Mater. 33(8), 1325–1330 (2011).
[Crossref]

B. Liu, Y. Wang, F. Zhang, Y. Wen, Q. Dong, and Z. Wang, “Thermal stability and photoluminescence of S-doped BaMgAl10O17:Eu2+ phosphors for plasma display panels,” Opt. Lett. 35(18), 3072–3074 (2010).
[Crossref] [PubMed]

Wang, Z.

M. Tian, P. Li, Z. Wang, Z. Li, J. Cheng, Y. Sun, C. Wang, X. Teng, Z. Yang, and F. Teng, “Controlling multi luminescent centers via anionic polyhedron substitution to achieve single Eu2+ activated high-color-rendering white light/tunable emissions in single-phased Ca2(BO3)1−x(PO4)xCl phosphors for ultraviolet converted LEDs,” Chem. Eng. J. 326, 667–679 (2017).
[Crossref]

Y. Shi, B. Liu, W. Li, X. Yang, Z. Ci, C. Li, Z. Wang, and F. Chen, “Luminescence properties of Ca5Y3Na2(PO4)5(SiO4)F2:Eu phosphors,” J. Alloys Compd. 664, 492–498 (2016).
[Crossref]

B. Liu, Y. Wang, F. Zhang, Y. Wen, Q. Dong, and Z. Wang, “Thermal stability and photoluminescence of S-doped BaMgAl10O17:Eu2+ phosphors for plasma display panels,” Opt. Lett. 35(18), 3072–3074 (2010).
[Crossref] [PubMed]

Wankhede, S. P.

K. A. Gedekar, S. P. Wankhede, S. V. Moharil, and R. M. Belekar, “Synthesis, crystal structure and luminescence in Ca3Al2O6,” J. Mater. Sci. Mater. Electron. 29(8), 6260–6265 (2018).
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Wei, D.

D. Wei, Y. Huang, and H. J. Seo, “Novel yellowish-green emitting luminescence in Ca7Si2P2O16: Eu2+ phosphor,” Mater. Res. Bull. 48(9), 3614–3619 (2013).
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Wen, Y.

Wu, W.

Z. Xia and W. Wu, “Preparation and luminescence properties of Ce3+ and Ce3+/Tb3+-activated Y4Si2O7N2 phosphors,” Dalton Trans. 42(36), 12989–12997 (2013).
[Crossref] [PubMed]

Wu, Y.-C.

D.-Y. Wang, C.-H. Huang, Y.-C. Wu, and T.-M. Chen, “BaZrSi3O9:Eu2+: a cyan-emitting phosphor with high quantum efficiency for white light-emitting diodes,” J. Mater. Chem. 21(29), 10818–10822 (2011).
[Crossref]

Xia, Z.

S. Miao, Z. Xia, M. S. Molokeev, M. Chen, J. Zhang, and Q. Liu, “Effect of Al/Si substitution on the structure and luminescence properties of CaSrSiO4:Ce3+ phosphors: analysis based on the polyhedral distortion,” J. Mater. Chem. C Mater. Opt. Electron. Devices 3(18), 4616–4622 (2015).
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Z. Xia and W. Wu, “Preparation and luminescence properties of Ce3+ and Ce3+/Tb3+-activated Y4Si2O7N2 phosphors,” Dalton Trans. 42(36), 12989–12997 (2013).
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J. Zhou, Z. Xia, M. Yang, and K. Shen, “High efficiency blue-emitting phosphor: Ce3+-doped Ca5.45Li3.55(SiO4)3O0.45F1.55 for near UV-pumped light-emitting diodes,” J. Mater. Chem. 22(41), 21935–21941 (2012).
[Crossref]

Xie, X.

L. Han, X. Xie, J. Lian, Y. Wang, and C. Wang, “K2Y(WO4)(PO4): Tm3+, Dy3+: a potential tunable single-phased white-emitting phosphor under UV light excitation,” J. Lumin. 176, 71–76 (2016).
[Crossref]

Xu, X.

X. Fan, X. Xu, X. Yu, W. Chen, D. Zhou, and J. Qiu, “Wide band long persistent luminescence of Ca3Ga2Ge3O12: Tb3+, Tm3+ phosphor with synergistic effect of different traps,” Mater. Res. Bull. 99, 398–402 (2018).
[Crossref]

T. Wang, W. Bian, D. Zhou, J. Qiu, X. Yu, and X. Xu, “Tunable LLP via energy transfer between Na2-y(Zn1-xGax)GeO4 sosoloid host and emission centers with the assistance of Zn vacancies,” J. Phys. Chem. C 119(25), 14047–14055 (2015).
[Crossref]

Yang, M.

J. Zhou, Z. Xia, M. Yang, and K. Shen, “High efficiency blue-emitting phosphor: Ce3+-doped Ca5.45Li3.55(SiO4)3O0.45F1.55 for near UV-pumped light-emitting diodes,” J. Mater. Chem. 22(41), 21935–21941 (2012).
[Crossref]

Yang, X.

Y. Shi, B. Liu, W. Li, X. Yang, Z. Ci, C. Li, Z. Wang, and F. Chen, “Luminescence properties of Ca5Y3Na2(PO4)5(SiO4)F2:Eu phosphors,” J. Alloys Compd. 664, 492–498 (2016).
[Crossref]

Yang, Z.

M. Tian, P. Li, Z. Wang, Z. Li, J. Cheng, Y. Sun, C. Wang, X. Teng, Z. Yang, and F. Teng, “Controlling multi luminescent centers via anionic polyhedron substitution to achieve single Eu2+ activated high-color-rendering white light/tunable emissions in single-phased Ca2(BO3)1−x(PO4)xCl phosphors for ultraviolet converted LEDs,” Chem. Eng. J. 326, 667–679 (2017).
[Crossref]

H. Jing, C. Guo, G. Zhang, X. Su, Z. Yang, and J. H. Jeong, “Photoluminescent properties of Ce3+ in compounds Ba2Ln(BO3)2Cl (Ln = Gd and Y),” J. Mater. Chem. 22(27), 13612–13618 (2012).
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N. Yeh and J.-P. Chung, “High-brightness LEDs—Energy efficient lighting sources and their potential in indoor plant cultivation,” Renew. Sustain. Energy Rev. 13(8), 2175–2180 (2009).
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C.-H. Huang, Y.-C. Chiu, Y.-T. Yeh, and T.-M. Chen, “Novel Eu2+-activated yellow-emitting Sr8MgLu(PO4)7 phosphors for white-light near-ultraviolet LEDs,” Mater. Express 2(4), 303–310 (2012).
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W.-R. Liu, C. C. Lin, Y.-C. Chiu, Y.-T. Yeh, S.-M. Jang, R.-S. Liu, and B.-M. Cheng, “Versatile phosphors BaY2Si3O10:RE (RE = Ce3+, Tb3+, Eu3+) for light-emitting diodes,” Opt. Express 17(20), 18103–18109 (2009).
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Yu, L.

M. Li, J. Zhang, J. Han, Z. Qiu, W. Zhou, L. Yu, Z. Li, and S. Lian, “Changing Ce3+ content and codoping Mn2+ induced tunable emission and energy transfer in Ca2.5Sr0.5Al2O6:Ce3+,Mn2+,” Inorg. Chem. 56(1), 241–251 (2017).
[Crossref] [PubMed]

Yu, X.

X. Fan, X. Xu, X. Yu, W. Chen, D. Zhou, and J. Qiu, “Wide band long persistent luminescence of Ca3Ga2Ge3O12: Tb3+, Tm3+ phosphor with synergistic effect of different traps,” Mater. Res. Bull. 99, 398–402 (2018).
[Crossref]

T. Wang, W. Bian, D. Zhou, J. Qiu, X. Yu, and X. Xu, “Tunable LLP via energy transfer between Na2-y(Zn1-xGax)GeO4 sosoloid host and emission centers with the assistance of Zn vacancies,” J. Phys. Chem. C 119(25), 14047–14055 (2015).
[Crossref]

Zhang, C.

K. Song, J. Zhang, Y. Liu, C. Zhang, J. Jiang, H. Jiang, and H.-B. Qin, “Red-emitting phosphor Ba9Lu2Si6O24:Ce3+,Mn2+ with enhanced energy transfer via self-charge compensation,” J. Phys. Chem. C 119(43), 24558–24563 (2015).
[Crossref]

Zhang, F.

Zhang, G.

H. Jing, C. Guo, G. Zhang, X. Su, Z. Yang, and J. H. Jeong, “Photoluminescent properties of Ce3+ in compounds Ba2Ln(BO3)2Cl (Ln = Gd and Y),” J. Mater. Chem. 22(27), 13612–13618 (2012).
[Crossref]

H. Lin, H. Liang, Z. Tian, B. Han, J. Wang, Q. Su, and G. Zhang, “Luminescence of Ba2Ca(BO3)2 : Ce3+-influence of charge compensator, energy transfer and LED application,” J. Phys. D Appl. Phys. 42(16), 165409 (2009).
[Crossref]

Zhang, J.

M. Li, J. Zhang, J. Han, Z. Qiu, W. Zhou, L. Yu, Z. Li, and S. Lian, “Changing Ce3+ content and codoping Mn2+ induced tunable emission and energy transfer in Ca2.5Sr0.5Al2O6:Ce3+,Mn2+,” Inorg. Chem. 56(1), 241–251 (2017).
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J. Zhang, J. Jia, and Z. Hua, “Multicolor-emitting Ca3-x-ySry(PO4)2:xEu2+ (0 ≤ x ≤ 0.075, 0 ≤ y ≤ 2.2) phosphors for light-emitting diodes,” Mater. Des. 87, 124–129 (2015).
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S. Miao, Z. Xia, M. S. Molokeev, M. Chen, J. Zhang, and Q. Liu, “Effect of Al/Si substitution on the structure and luminescence properties of CaSrSiO4:Ce3+ phosphors: analysis based on the polyhedral distortion,” J. Mater. Chem. C Mater. Opt. Electron. Devices 3(18), 4616–4622 (2015).
[Crossref]

K. Song, J. Zhang, Y. Liu, C. Zhang, J. Jiang, H. Jiang, and H.-B. Qin, “Red-emitting phosphor Ba9Lu2Si6O24:Ce3+,Mn2+ with enhanced energy transfer via self-charge compensation,” J. Phys. Chem. C 119(43), 24558–24563 (2015).
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J. Zhang and C. Jiang, “Luminescence Properties of Ca14Mg2(SiO4)8:Eu2+ from various sites for white-light-emitting diodes,” Mater. Res. Bull. 60, 467–473 (2014).
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J. Zhang, Y. Wang, and Y. Huang, “Photoluminescence of Tb3+ and Mn2+ activated Ca8MgGd(PO4)7 under vacuum ultraviolet excitation,” Opt. Mater. 33(8), 1325–1330 (2011).
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Zhang, S.

H.-F. Li, Y.-L. Jia, T.-F. Ma, R. Pang, W.-Z. Sun, D. Li, J.-P. Fu, S. Zhang, L.-H. Jiang, and C.-Y. Li, “Ca9Sc(PO4)7:Ce3+,Mn2+ – A red-emitting phosphor based on energy transfer,” Eur. J. Inorg. Chem. 2016(6), 867–873 (2016).
[Crossref]

Zhang, W.

J. Li, Y. Liu, W. Cao, Y. Gao, W. Zhang, and X. Lai, “Luminescence properties of Dy3+, Eu3+ co-doped Ca7Si2P2O16 single host phosphor,” Integr. Ferroelectr. 179(1), 1–9 (2017).
[Crossref]

Zhang, Y.

D. Geng, H. Lian, M. Shang, Y. Zhang, and J. Lin, “Oxonitridosilicate Y10(Si6O22N2)O2:Ce3+,Mn2+ phosphors: a facile synthesis via the soft-chemical ammonolysis process, luminescence, and energy-transfer properties,” Inorg. Chem. 53(4), 2230–2239 (2014).
[Crossref] [PubMed]

Zhou, D.

X. Fan, X. Xu, X. Yu, W. Chen, D. Zhou, and J. Qiu, “Wide band long persistent luminescence of Ca3Ga2Ge3O12: Tb3+, Tm3+ phosphor with synergistic effect of different traps,” Mater. Res. Bull. 99, 398–402 (2018).
[Crossref]

T. Wang, W. Bian, D. Zhou, J. Qiu, X. Yu, and X. Xu, “Tunable LLP via energy transfer between Na2-y(Zn1-xGax)GeO4 sosoloid host and emission centers with the assistance of Zn vacancies,” J. Phys. Chem. C 119(25), 14047–14055 (2015).
[Crossref]

Zhou, J.

J. Zhou, Z. Xia, M. Yang, and K. Shen, “High efficiency blue-emitting phosphor: Ce3+-doped Ca5.45Li3.55(SiO4)3O0.45F1.55 for near UV-pumped light-emitting diodes,” J. Mater. Chem. 22(41), 21935–21941 (2012).
[Crossref]

Zhou, W.

M. Li, J. Zhang, J. Han, Z. Qiu, W. Zhou, L. Yu, Z. Li, and S. Lian, “Changing Ce3+ content and codoping Mn2+ induced tunable emission and energy transfer in Ca2.5Sr0.5Al2O6:Ce3+,Mn2+,” Inorg. Chem. 56(1), 241–251 (2017).
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Ceram. Int. (1)

F. Wang, W. Wang, and Y. Jin, “Photoluminescence properties of Ce3+/Mn2+ doped calcium zirconium silicate phosphors with energy transfer for white LEDs,” Ceram. Int. 42(15), 16626–16632 (2016).
[Crossref]

Chem. Eng. J. (1)

M. Tian, P. Li, Z. Wang, Z. Li, J. Cheng, Y. Sun, C. Wang, X. Teng, Z. Yang, and F. Teng, “Controlling multi luminescent centers via anionic polyhedron substitution to achieve single Eu2+ activated high-color-rendering white light/tunable emissions in single-phased Ca2(BO3)1−x(PO4)xCl phosphors for ultraviolet converted LEDs,” Chem. Eng. J. 326, 667–679 (2017).
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V. Bachmann, C. Ronda, O. Oeckler, W. Schnick, and A. Meijerink, “Color point tuning for (Sr,Ca,Ba)Si2O2N2:Eu2+ for white light LEDs,” Chem. Mater. 21(2), 316–325 (2009).
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Dalton Trans. (1)

Z. Xia and W. Wu, “Preparation and luminescence properties of Ce3+ and Ce3+/Tb3+-activated Y4Si2O7N2 phosphors,” Dalton Trans. 42(36), 12989–12997 (2013).
[Crossref] [PubMed]

Eur. J. Inorg. Chem. (1)

H.-F. Li, Y.-L. Jia, T.-F. Ma, R. Pang, W.-Z. Sun, D. Li, J.-P. Fu, S. Zhang, L.-H. Jiang, and C.-Y. Li, “Ca9Sc(PO4)7:Ce3+,Mn2+ – A red-emitting phosphor based on energy transfer,” Eur. J. Inorg. Chem. 2016(6), 867–873 (2016).
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Inorg. Chem. (3)

M. Li, J. Zhang, J. Han, Z. Qiu, W. Zhou, L. Yu, Z. Li, and S. Lian, “Changing Ce3+ content and codoping Mn2+ induced tunable emission and energy transfer in Ca2.5Sr0.5Al2O6:Ce3+,Mn2+,” Inorg. Chem. 56(1), 241–251 (2017).
[Crossref] [PubMed]

D. Geng, H. Lian, M. Shang, Y. Zhang, and J. Lin, “Oxonitridosilicate Y10(Si6O22N2)O2:Ce3+,Mn2+ phosphors: a facile synthesis via the soft-chemical ammonolysis process, luminescence, and energy-transfer properties,” Inorg. Chem. 53(4), 2230–2239 (2014).
[Crossref] [PubMed]

K. Li, M. Shang, H. Lian, and J. Lin, “Photoluminescence properties ofefficient blue-emitting phosphor α-Ca1.65Sr0.35SiO4:Ce3+: color tuning via the substitutions of Si by Al/Ga/B,” Inorg. Chem. 54(16), 7992–8002 (2015).
[Crossref] [PubMed]

Integr. Ferroelectr. (1)

J. Li, Y. Liu, W. Cao, Y. Gao, W. Zhang, and X. Lai, “Luminescence properties of Dy3+, Eu3+ co-doped Ca7Si2P2O16 single host phosphor,” Integr. Ferroelectr. 179(1), 1–9 (2017).
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Y. Shi, B. Liu, W. Li, X. Yang, Z. Ci, C. Li, Z. Wang, and F. Chen, “Luminescence properties of Ca5Y3Na2(PO4)5(SiO4)F2:Eu phosphors,” J. Alloys Compd. 664, 492–498 (2016).
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L. Han, X. Xie, J. Lian, Y. Wang, and C. Wang, “K2Y(WO4)(PO4): Tm3+, Dy3+: a potential tunable single-phased white-emitting phosphor under UV light excitation,” J. Lumin. 176, 71–76 (2016).
[Crossref]

J. Mater. Chem. (3)

D.-Y. Wang, C.-H. Huang, Y.-C. Wu, and T.-M. Chen, “BaZrSi3O9:Eu2+: a cyan-emitting phosphor with high quantum efficiency for white light-emitting diodes,” J. Mater. Chem. 21(29), 10818–10822 (2011).
[Crossref]

H. Jing, C. Guo, G. Zhang, X. Su, Z. Yang, and J. H. Jeong, “Photoluminescent properties of Ce3+ in compounds Ba2Ln(BO3)2Cl (Ln = Gd and Y),” J. Mater. Chem. 22(27), 13612–13618 (2012).
[Crossref]

J. Zhou, Z. Xia, M. Yang, and K. Shen, “High efficiency blue-emitting phosphor: Ce3+-doped Ca5.45Li3.55(SiO4)3O0.45F1.55 for near UV-pumped light-emitting diodes,” J. Mater. Chem. 22(41), 21935–21941 (2012).
[Crossref]

J. Mater. Chem. C Mater. Opt. Electron. Devices (1)

S. Miao, Z. Xia, M. S. Molokeev, M. Chen, J. Zhang, and Q. Liu, “Effect of Al/Si substitution on the structure and luminescence properties of CaSrSiO4:Ce3+ phosphors: analysis based on the polyhedral distortion,” J. Mater. Chem. C Mater. Opt. Electron. Devices 3(18), 4616–4622 (2015).
[Crossref]

J. Mater. Sci. Mater. Electron. (1)

K. A. Gedekar, S. P. Wankhede, S. V. Moharil, and R. M. Belekar, “Synthesis, crystal structure and luminescence in Ca3Al2O6,” J. Mater. Sci. Mater. Electron. 29(8), 6260–6265 (2018).
[Crossref]

J. Phys. Chem. C (2)

K. Song, J. Zhang, Y. Liu, C. Zhang, J. Jiang, H. Jiang, and H.-B. Qin, “Red-emitting phosphor Ba9Lu2Si6O24:Ce3+,Mn2+ with enhanced energy transfer via self-charge compensation,” J. Phys. Chem. C 119(43), 24558–24563 (2015).
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Figures (11)

Fig. 1
Fig. 1 XRD patterns of CPS:xCe3+,xLi+ (0.2% ≤ x ≤ 4%) and CPS:3%Ce3+,3%Li+,yMn2+ (0.5% ≤ y ≤ 3%).
Fig. 2
Fig. 2 (a) Excitation spectrum of CPS:3%Ce3+,3%Li+ and emission spectra of CPS:xCe3+,xLi+ (0.2 ≤ x ≤ 4%); (b) normalized emission spectra of CPS:xCe3+,xLi+ (0.2 ≤ x ≤ 4%).
Fig. 3
Fig. 3 (a) TRPL spectra of CPS:3%Ce3+,3%Li+; (b) normalized TRPL spectra of CPS:3%Ce3+,3%Li+.
Fig. 4
Fig. 4 Decay curves of CPS:xCe3+,xLi+ (0.2 ≤ x ≤ 4%).
Fig. 5
Fig. 5 Comparison of emission spectra of CPS:3%Ce3+,3%Li+ and BAM.
Fig. 6
Fig. 6 (a) Emission spectra of CPS:3%Ce3+,3%Li+ measured under various temperatures; (b) relative emission intensity of CPS:xCe3+,xLi+ as a function of temperature; (c) plot of ln[(I0/I) - 1] vs. 1/kT for CPS:xCe3+,xLi+.
Fig. 7
Fig. 7 (a) Emission spectra of CPS:3%Ce3+,3%Li+,yMn2+ (0 ≤ y ≤ 3%) under 365 nm excitation; (b) decay curves of CPS:3%Ce3+,3%Li+,yMn2+ (0 ≤ y ≤ 3%).
Fig. 8
Fig. 8 CIE chromaticity diagram for CPS:3%Ce3+,3%Li+,yMn2+ (Points 1-5 are for y = 0, 0.5%, 1%, 2%, and 3%, respectively).
Fig. 9
Fig. 9 Dependence of τS0/τS of Ce3+ on (a) CMn6/3, (b) CMn8/3 and (c) CMn10/3.
Fig. 10
Fig. 10 (a) Absorption spectra of plants; emission spectra of CPS:3%Ce3+,3%Li+,yMn2+ ((b) and (c) are for y = 0.2 and 0, respectively).
Fig. 11
Fig. 11 EL spectra of pc-LED lamps fabricated with 365 nm chip and different kinds of phosphors, insets (A) and (B) show the digital photos for 365 nm chip + CPS:3%Ce3+,3%Li+, insets (C) and (D) show the digital photos for 365 nm chip + CPS:3%Ce3+,3%Li+ + (Ba,Sr)2SiO4:Eu2+ + CaAlSiN3:Eu2+.

Tables (3)

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Table 1 τi and Ai (i = 1, 2) values of CPS:xCe3+,xLi+ (0.2% ≤ x ≤ 4%) by exciting at 365 nm and monitoring 395 nm

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Table 2 τi and Ai (i = 1, 2) values of CPS:3%Ce3+,3%Li+,yMn2+ (0 ≤ y ≤ 3%) by exciting at 365 nm and monitoring 439 nm

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Table 3 Full set of 14 CRIs of CPS:3%Ce3+,3%Li+, (Ba,Sr)2SiO4:Eu2+, and CaAlSiN3:Eu2+ with a 365 nm chip

Equations (5)

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I= A 1 exp(t/ τ 1 )+ A 2 exp(t/ τ 2 )
<τ>=( A 1 τ 1 2 + A 2 τ 2 2 )/( A 1 τ 1 + A 2 τ 2 )
R c 6 =0.63× 10 28 × Q A E 4 F s (E) F A (E)dE
I(T)= I 0 1+Aexp( ΔE kT )
τ S0 τ S C α/3

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