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

被引：46

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

页码：2768 / 2773

页数：6

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