Hydrothermal synthesis and upconversion luminescence of NaGd(WO4)2 co-doped with Ho3+ and Yb3+
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- 作者：Xiaochen Yu ; yuxc2004@yeah.net" class="auth_mail ; Yanbin Qin ; Menglei Gao ; Li Duan ; Ziqiang Jiang ; Lei Gou ; Peng Zhao ; Zhuo Li
- 关键词：Upconversion ; Luminescence ; NaGd(WO4)2 ; Rare earth
- 刊名：Journal of Luminescence
- 出版年：September 2014
- 年：2014
- 卷：153
- 期：Complete
- 页码：1-4
- 全文大小：1405 K
文摘
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NGW: Ho3+–Yb3+ phosphors were successfully synthesized by a hydrothermal method.
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Highly intense red upconversion emission around 659 nm was observed under 980 nm excitation.
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Upconversion emission efficiency was enhanced greatly with the presence of the Yb3+ ions.
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The transition mechanisms of the upconversion emission can be ascribed to a two-photon process.
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