Linear and nonlinear optical properties of AgNPs and AgNPs/graphene composites modulated by localized surface plasmon resonance effect

Yang Liu; Fangfang Wang; Luyao Li; Fenglin Cao; Baohua Zhu; Baohua Zhu; Yuzong Gu; Yuzong Gu

doi:10.1364/JOSAB.448710

Journal of the Optical Society of America B
Vol. 39,
Issue 3,
pp. 713-721
(2022)
•https://doi.org/10.1364/JOSAB.448710

Linear and nonlinear optical properties of AgNPs and AgNPs/graphene composites modulated by localized surface plasmon resonance effect

Yang Liu, Fangfang Wang, Luyao Li, Fenglin Cao, Baohua Zhu, and Yuzong Gu

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Yang Liu, Fangfang Wang, Luyao Li, Fenglin Cao, Baohua Zhu, and Yuzong Gu, "Linear and nonlinear optical properties of AgNPs and AgNPs/graphene composites modulated by localized surface plasmon resonance effect," J. Opt. Soc. Am. B 39, 713-721 (2022)

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- Optical Materials
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About this Article
History
- Original Manuscript: November 16, 2021
- Revised Manuscript: January 9, 2022
- Manuscript Accepted: January 18, 2022
- Published: February 9, 2022

Abstract

The localized surface plasmon resonance (LSPR) properties of metal particles can be affected by their surrounding media, and the LSPR properties affect the optical properties of metal particles and their composites. However, this indirect influence of the surrounding media on optical properties is often ignored. In this regard, we have synthesized silver nanoparticles (AgNPs) and AgNPs/graphene composites, and investigated the linear and nonlinear optical properties affected by the LSPR effect that was controlled by the surrounding media of AgNPs. The structure and morphology characterization showed that the size of AgNPs and their distribution on graphene were uniform. The distribution and enhancement of the local field around the AgNPs were studied using the finite-difference time-domain (FDTD) method. The nonlinear optical properties were measured using the ${{Z}}$-scan technique. The results show that as the refractive index of the surrounding modification layer of AgNPs was adjusted from 1.4 to 2.5, the LSPR peak of AgNPs was redshifted more than 30 nm, the linear absorption of AgNPs/graphene was also slightly redshifted. Moreover, when the refractive index was increased to 1.9, the reverse saturation absorption of AgNPs and the saturation absorption of AgNPs/graphene both reached their maximum values, and then decreased. This investigation provides a different way to modulate optical properties of materials for possible applications in photonic devices via the appropriate LSPR effect controlled by the refractive index of the modification layers.

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Reagent	Chemical Formula	Purity	Manufacturer
Graphite powder	$C$	$\geq 99.98 %$	Tianjin Guangfu Fine Research Institute
Potassium permanganate	$K M n O_{4}$	$\geq 99.5 %$	Tianjin Kemiou Chemical Reagent Co., Ltd.
Phosphorus acid	$H_{3} {P O}_{4}$	98.0%	Kaifeng Kaihua Chemical Co. Ltd.
Sulfuric acid	$H_{2} {S O}_{4}$	$95 % \sim 98 %$
Hydrochloric acid	$H C l$	$36 % \sim 38 %$
Hydrogen peroxide	$H_{2} O_{2}$	$\geq 30.0 %$	Tianjin Deen Chemical Reagent Co., Ltd.
Anhydrous ethanol	${C H}_{3} {C H}_{2} O H$	$\geq 99.7 %$	Tianjin Fuyu Fine Chemicals Co., Ltd.
Acetone	${C H}_{3} {C O C H}_{3}$	$\geq 99.9 %$	Aladdin Reagent Co., Ltd.
Silver nitrate	$A g N O 3$	$\geq 99.0 %$
Acetyl acetone	$C_{5} H_{8} O_{2}$	$\geq 99.0 %$
Triethylamine	$C_{6} H_{15} N$	$\geq 99.5 %$
n-hexane	$C_{6} H_{14}$	$\geq 99.0 %$
oleylamine	$C_{18} H_{37} N$	$80 % \sim 90 %$
Oleic acid	$C_{18} H_{34} O_{2}$	$\geq 99.0 %$
DMF	$C_{3} H_{7} N O$	$\geq 99.9 %$
NMP	$C_{5} H_{9} N O$	$\geq 99.5 %$
Cysteamine hydrochloride	$C_{2} H_{7} N S \cdot H C l$	$\geq 98.0 %$

sample	$\| β \| (c m \cdot G W^{- 1})$	$\| I m χ^{(3)} \| (1 0^{- 12} e s u)$	$\| n_{2} \| (1 0^{- 21} m^{2} \cdot W^{- 1})$	$\| R e χ^{(3)} \| (1 0^{- 15} e s u)$	$\| χ^{(3)} \| (1 0^{- 12} e s u)$
G	$2.69 \pm 0.11$	$0.85 \pm 0.04$	$8.43 \pm 0.49$	$3.2 \pm 0.08$	$0.85 \pm 0.04$
A	$2.11 \pm 0.10$	$0.67 \pm 0.03$	$5.53 \pm 0.31$	$2.1 \pm 0.09$	$0.67 \pm 0.03$
A2	$1.84 \pm 0.08$	$0.58 \pm 0.02$	N/A	N/A	$0.58 \pm 0.02$
A4	$2.37 \pm 0.11$	$0.75 \pm 0.03$	N/A	N/A	$0.75 \pm 0.03$
A5	$3.42 \pm 0.16$	$1.09 \pm 0.05$	N/A	N/A	$1.09 \pm 0.05$
A6	$2.03 \pm 0.10$	$0.65 \pm 0.04$	N/A	N/A	$0.65 \pm 0.04$
A8	$1.32 \pm 0.07$	$0.41 \pm 0.01$	N/A	N/A	$0.41 \pm 0.01$
GA2	$2.85 \pm 0.13$	$0.89 \pm 0.04$	N/A	N/A	$0.89 \pm 0.04$
GA4	$3.67 \pm 0.17$	$1.15 \pm 0.05$	N/A	N/A	$1.15 \pm 0.05$
GA5	$2.12 \pm 0.10$	$0.66 \pm 0.03$	N/A	N/A	$0.66 \pm 0.03$
GA6	$1.59 \pm 0.07$	$0.50 \pm 0.03$	N/A	N/A	$0.50 \pm 0.03$
GA8	$1.19 \pm 0.06$	$0.37 \pm 0.02$	N/A	N/A	$0.37 \pm 0.02$

Reagent	Chemical Formula	Purity	Manufacturer
Graphite powder	$C$	$\geq 99.98 %$	Tianjin Guangfu Fine Research Institute
Potassium permanganate	$K M n O_{4}$	$\geq 99.5 %$	Tianjin Kemiou Chemical Reagent Co., Ltd.
Phosphorus acid	$H_{3} {P O}_{4}$	98.0%	Kaifeng Kaihua Chemical Co. Ltd.
Sulfuric acid	$H_{2} {S O}_{4}$	$95 % \sim 98 %$
Hydrochloric acid	$H C l$	$36 % \sim 38 %$
Hydrogen peroxide	$H_{2} O_{2}$	$\geq 30.0 %$	Tianjin Deen Chemical Reagent Co., Ltd.
Anhydrous ethanol	${C H}_{3} {C H}_{2} O H$	$\geq 99.7 %$	Tianjin Fuyu Fine Chemicals Co., Ltd.
Acetone	${C H}_{3} {C O C H}_{3}$	$\geq 99.9 %$	Aladdin Reagent Co., Ltd.
Silver nitrate	$A g N O 3$	$\geq 99.0 %$
Acetyl acetone	$C_{5} H_{8} O_{2}$	$\geq 99.0 %$
Triethylamine	$C_{6} H_{15} N$	$\geq 99.5 %$
n-hexane	$C_{6} H_{14}$	$\geq 99.0 %$
oleylamine	$C_{18} H_{37} N$	$80 % \sim 90 %$
Oleic acid	$C_{18} H_{34} O_{2}$	$\geq 99.0 %$
DMF	$C_{3} H_{7} N O$	$\geq 99.9 %$
NMP	$C_{5} H_{9} N O$	$\geq 99.5 %$
Cysteamine hydrochloride	$C_{2} H_{7} N S \cdot H C l$	$\geq 98.0 %$

sample	$\| β \| (c m \cdot G W^{- 1})$	$\| I m χ^{(3)} \| (1 0^{- 12} e s u)$	$\| n_{2} \| (1 0^{- 21} m^{2} \cdot W^{- 1})$	$\| R e χ^{(3)} \| (1 0^{- 15} e s u)$	$\| χ^{(3)} \| (1 0^{- 12} e s u)$
G	$2.69 \pm 0.11$	$0.85 \pm 0.04$	$8.43 \pm 0.49$	$3.2 \pm 0.08$	$0.85 \pm 0.04$
A	$2.11 \pm 0.10$	$0.67 \pm 0.03$	$5.53 \pm 0.31$	$2.1 \pm 0.09$	$0.67 \pm 0.03$
A2	$1.84 \pm 0.08$	$0.58 \pm 0.02$	N/A	N/A	$0.58 \pm 0.02$
A4	$2.37 \pm 0.11$	$0.75 \pm 0.03$	N/A	N/A	$0.75 \pm 0.03$
A5	$3.42 \pm 0.16$	$1.09 \pm 0.05$	N/A	N/A	$1.09 \pm 0.05$
A6	$2.03 \pm 0.10$	$0.65 \pm 0.04$	N/A	N/A	$0.65 \pm 0.04$
A8	$1.32 \pm 0.07$	$0.41 \pm 0.01$	N/A	N/A	$0.41 \pm 0.01$
GA2	$2.85 \pm 0.13$	$0.89 \pm 0.04$	N/A	N/A	$0.89 \pm 0.04$
GA4	$3.67 \pm 0.17$	$1.15 \pm 0.05$	N/A	N/A	$1.15 \pm 0.05$
GA5	$2.12 \pm 0.10$	$0.66 \pm 0.03$	N/A	N/A	$0.66 \pm 0.03$
GA6	$1.59 \pm 0.07$	$0.50 \pm 0.03$	N/A	N/A	$0.50 \pm 0.03$
GA8	$1.19 \pm 0.06$	$0.37 \pm 0.02$	N/A	N/A	$0.37 \pm 0.02$

Abstract

Data Availability

Cited By

Figures (7)

Tables (2)

Equations (6)

Journal of the Optical Society of America B