Photoluminescence in Gd2O3: Er3+, Yb3+ upconversion inverse opal

被引：6
|
作者：
Yang, Zhengwen [1 ]
Yan, Dong [1 ]
Wu, Hangjun [1 ]
Wang, Rongfei [1 ]
Song, Zhiguo [1 ]
Zhou, Dacheng [1 ]
Yu, Xue [1 ]
Yang, Yong [1 ]
Yin, Zhaoyi [1 ]
Yan, Lei [1 ]
Qiu, Jianbei [1 ]
机构：
[1] Kunming Univ Sci & Technol, Coll Mat Sci & Engn, Key Lab Adv Mat Rare & Precious & Nonferrous Met, Minist Educ,Key Lab Adv Mat Yunnan Prov, Kunming 650093, Peoples R China
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2012年 / 73卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Optical materials; Luminescence; PHOTONIC CRYSTALS; SPONTANEOUS EMISSION; BANDGAP; FILMS; NANOCRYSTALS; LUMINESCENCE;
D O I：
10.1016/j.jpcs.2012.06.004
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Photoluminescence properties of Gd203: Er3 +, Yb3 + upconversion inverse opal photonic crystals were investigated. The photoluminescence spectra of the inverse opal show strong dependence on upconversion emission intensity and the corresponding photonic band-gaps of the inverse opal. Significant suppression of the green or red upconversion emission was observed if the photonic band-gap overlaps with the Er3 + ions emission band. The color purity of the red or green emission was improved in the inverse opal by the suppression of green or red UC emission. We believe that the present work will be valuable for not only the foundational study of upconversion emission modification but also new optical devices in upconversion lighting and display. (c) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1278 / 1281
页数：4
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