Plasmon-enhanced broad-band quantum-cutting of NaBaPO4:Eu2+,Er3+ phosphors with silver nano-particles
来源期刊：JOURNAL OF RARE EARTHS2020年第11期
论文作者：Jinquan Hong Lin Lin Xiaoyan Li Zhuohong Feng Lili Huang Qing Qin Zhiqiang Zheng
文章页码：1151 - 1157
摘 要：NaBaPO4:Eu2+,Er3+ phosphors and Ag nano-particles（NPs） were prepared by the solid-state reaction and chemical reduction method,respectively.The fluorescence spectra and decay curves demonstrate the effective energy transfer from Eu2+ to Er3+ and the existence of three-photon quantum-cutting through two-step cross-relaxation of Er3+.The quantum-cutting emission is peaked at 1534 nm with a broad excitation band centered at 352 nm,Plasmon-enhanced quantum-cutting of NaBaPO4:Eu2+,Er3+ phosphors was realized by decorating Ag NPs.The largest enhancement factor is 1.395.It is hopeful to improve the photovoltaic conversion efficiency of Ge solar cells by using this phosphor.
Jinquan Hong1,2，Lin Lin1,3，Xiaoyan Li1，Zhuohong Feng1，Lili Huang1，Qing Qin1，Zhiqiang Zheng1,3
1. College of Physics and Energy Fujian Normal University2. Department of Physics and Electronic Information Engineering,Minjiang University
摘 要：NaBaPO4:Eu2+,Er3+ phosphors and Ag nano-particles（NPs） were prepared by the solid-state reaction and chemical reduction method,respectively.The fluorescence spectra and decay curves demonstrate the effective energy transfer from Eu2+ to Er3+ and the existence of three-photon quantum-cutting through two-step cross-relaxation of Er3+.The quantum-cutting emission is peaked at 1534 nm with a broad excitation band centered at 352 nm,Plasmon-enhanced quantum-cutting of NaBaPO4:Eu2+,Er3+ phosphors was realized by decorating Ag NPs.The largest enhancement factor is 1.395.It is hopeful to improve the photovoltaic conversion efficiency of Ge solar cells by using this phosphor.
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