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Scattering Media Influences Photoluminescence Quantum Yield of Upconversion Microtube Phosphor

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Abstract

Photoluminescence quantum yield (PLQY) enhancements of 155% were observed in upconversion Y2O3:2%Er3+ microtubes due to scattering (media refractive index decreased by 0.519). Implications include accurate and optimised PLQY reporting in upconversion materials and sensing devices.

© 2020 The Author(s)

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