Y2O3:Yb3+/Er3+ Hollow Spheres with Controlled Inner Structures and Enhanced Upconverted Photoluminescence

被引：44
|
作者：
Zong, Lingbo [1 ]
Xu, Pengfei [1 ]
Ding, Yunji [1 ]
Zhao, Kun [1 ]
Wang, Zumin [1 ]
Yan, Xuecheng [2 ]
Yu, Ranbo [1 ]
Chen, Jun [1 ]
Xing, Xianran [1 ]
机构：
[1] Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Dept Phys Chem, Beijing 100083, Peoples R China
[2] Griffith Univ, Queensland Micro & Nanotechnol Ctr, Nathan Campus, Qld 4111, Australia
来源：
SMALL | 2015年 / 11卷 / 23期
基金：
中国国家自然科学基金;
关键词：
SENSITIZED SOLAR-CELLS; LITHIUM-ION BATTERIES; TITANIA SPHERES; HIGHLY UNIFORM; MICROSPHERES; CONVERSION; NANOPARTICLES; PARTICLES; Y2O3; NANOCRYSTALS;
D O I：
10.1002/smll.201402320
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Multishell Y2O3:Yb3+/Er3+ hollow spheres with uniform morphologies and controllable inner structures are prepared successfully by using a glucose-template hydrothermal process followed by temperature-programmed calcination. Much enhanced upconverted photoluminescence of these Y2O3:Yb3+/Er3+ are observed, which are due to the multiple reflections and the enhanced light-harvesting efficiency of the NIR light resulting from the special features of the multishell structures. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：2768 / 2773
页数：6
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