Effects of the S/Zn Ratio on the Photoluminescence Properties of Color-Tunable ZnS:Mn Nanophosphors

Ying Chien Fang; Sheng-Yuan Chu; Hung Cheng Chen; Po Ching Kao; In-Gann Chen; Chii-Shyang Hwang

doi:10.1149/1.3079621

Effects of the S/Zn Ratio on the Photoluminescence Properties of Color-Tunable ZnS:Mn Nanophosphors

Ying Chien Fang, Sheng-Yuan Chu, Hung Cheng Chen, Po Ching Kao, In-Gann Chen, Chii-Shyang Hwang

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22 引文斯高帕斯（Scopus）

摘要

In this study, color-tunable nanocrystalline phosphors of ZnS: 0.5 mol % Mn ₂+ (SZn ratio = 1, 0.85, 0.75, 0.65, 0.5) were synthesized at a low temperature using the solid-state reaction method. The emission spectra of ZnS: 0.5 mol % Mn ₂+ samples excited at 325 nm exhibited two emission peaks. The blue-light emission is due to the donor-acceptor recombination in the ZnS host, and the orange-light emission is attributed to the T14 → A16 transition of Mn ₂+ ions. The chromaticity coordinates of the phosphors changed from orange, near white, to blue with decreasing SZn ratio. The local strain and the quantum efficiency of the ZnS: Mn ₂+ phosphors are also investigated.

原文	English
期刊	Journal of the Electrochemical Society
卷	156
發行號	4
DOIs	https://doi.org/10.1149/1.3079621
出版狀態	Published - 2009 3月 4

All Science Journal Classification (ASJC) codes

電子、光磁材料
可再生能源、永續發展與環境
表面、塗料和薄膜
電化學
材料化學

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abstract = "In this study, color-tunable nanocrystalline phosphors of ZnS: 0.5 mol % Mn 2+ (SZn ratio = 1, 0.85, 0.75, 0.65, 0.5) were synthesized at a low temperature using the solid-state reaction method. The emission spectra of ZnS: 0.5 mol % Mn 2+ samples excited at 325 nm exhibited two emission peaks. The blue-light emission is due to the donor-acceptor recombination in the ZnS host, and the orange-light emission is attributed to the T14 → A16 transition of Mn 2+ ions. The chromaticity coordinates of the phosphors changed from orange, near white, to blue with decreasing SZn ratio. The local strain and the quantum efficiency of the ZnS: Mn 2+ phosphors are also investigated.",

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AU - Fang, Ying Chien

AU - Chu, Sheng-Yuan

AU - Chen, Hung Cheng

AU - Kao, Po Ching

AU - Chen, In-Gann

AU - Hwang, Chii-Shyang

PY - 2009/3/4

Y1 - 2009/3/4

N2 - In this study, color-tunable nanocrystalline phosphors of ZnS: 0.5 mol % Mn 2+ (SZn ratio = 1, 0.85, 0.75, 0.65, 0.5) were synthesized at a low temperature using the solid-state reaction method. The emission spectra of ZnS: 0.5 mol % Mn 2+ samples excited at 325 nm exhibited two emission peaks. The blue-light emission is due to the donor-acceptor recombination in the ZnS host, and the orange-light emission is attributed to the T14 → A16 transition of Mn 2+ ions. The chromaticity coordinates of the phosphors changed from orange, near white, to blue with decreasing SZn ratio. The local strain and the quantum efficiency of the ZnS: Mn 2+ phosphors are also investigated.

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Effects of the S/Zn Ratio on the Photoluminescence Properties of Color-Tunable ZnS:Mn Nanophosphors

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