Enhancement of near-infrared to near-infrared upconversion emission in the CeO2: Er3+, Tm3+, Yb3+ inverse opals

被引：12
|
作者：
Wu, Hangjun [1 ]
Yang, Zhengwen [1 ]
Liao, Jiayan [1 ]
Lai, Shenfeng [1 ]
Qiu, Jianbei [1 ]
Song, Zhiguo [1 ]
Yang, Yong [1 ]
Zhou, Dacheng [1 ]
机构：
[1] Kunming Univ Sci & Technol, Coll Mat Sci & Engn, Kunming 650093, Peoples R China
来源：
OPTICS LETTERS | 2014年 / 39卷 / 04期
基金：
中国国家自然科学基金;
关键词：
EFFICIENCY;
D O I：
10.1364/OL.39.000918
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this Letter, CeO2: Er3+, Tm3+, Yb3+ inverse opal with near-infrared to near-infrared upconversion emission was prepared by polystyrene colloidal crystal templates, and the influence of photonic bandgap on the upconversion emission was investigated. Comparing with the reference sample, suppression of the blue or red upconversion luminescence was observed in the inverse opals. It is interesting that the near-infrared upconversion emission located at about 803 nm was enhanced due to the inhibition of visible upconversion emission in the inverse opals. Additionally, the variety of upconversion emission mechanisms was observed and discussed in the CeO2: Er3+, Tm3+, Yb3+ inverse opals. (C) 2014 Optical Society of America
引用
收藏
页码：918 / 921
页数：4
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