Long afterglow property of Er3+ doped Ca2SnO4 phosphor
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- 作者：Dongyun Zhang ; dyz@sit.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Mingming Shi ; Yiwen Sun ; Yunyun Guo ; Chengkang Chang
- 关键词：Ca2SnO4 ; Er3+ ; Photoluminescence ; Afterglow ; Thermally stimulated luminescence
- 刊名：Journal of Alloys and Compounds
- 出版年：2016
- 出版时间：15 May 2016
- 年：2016
- 卷：667
- 期：Complete
- 页码：235-239
- 全文大小：1383 K
文摘
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A novel green emitting long afterglow phosphor, Ca2SnO4:Er3+, was prepared.
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An optimal doping concentration of Er3+ of 2% was determined.
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After the UV source was turned off, the Ca2SnO4:Er3+ showed a typical triple-exponential afterglow decay behavior.
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CIE chromaticity coordinates results confirmed a green light emitting of the Ca2SnO4:Er3+.
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The persistent afterglow of the Ca2SnO4:Er3+ was attributed to suitable electron or hole traps.