Strong yellow emission of ZnO hollow nanospheres fabricated using polystyrene spheres as templates

被引：120
|
作者：
Zang, Zhigang [1 ]
Wen, Mengqing [1 ]
Chen, Weiwei [1 ]
Zeng, Yangfu [1 ]
Zu, Zhiqiang [1 ]
Zeng, Xiaofeng [1 ]
Tang, Xiaosheng [1 ]
机构：
[1] Chongqing Univ, Key Lab Optoelect Technol & Syst, Minist Educ, Chongqing 400044, Peoples R China
来源：
MATERIALS & DESIGN | 2015年 / 84卷
基金：
中国国家自然科学基金;
关键词：
ZnO hollow nanospheres; Yellow emission; Polystyrene spheres; OPTICAL-PROPERTIES; GROWTH; FIBER; NANOPARTICLES; TEMPERATURE; PERFORMANCE; MECHANISM; NANORODS; SHELL;
D O I：
10.1016/j.matdes.2015.06.141
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
ZnO hollow nanospheres were fabricated using polystyrene (PS) microspheres as templates were demonstrated in this paper. The structures and morphologies of obtained products were characterized by XRD, FESEM and TEM. The results revealed that ZnO hollow nanospheres possess a hexagonal wurtzite structure with a diameter around 450-500 nm. Ultraviolet-visible (UV-vis) analysis showed that ZnO hollow nanospheres had high absorption in the ultraviolet region and low absorption in the visible region. Room temperature photoluminescence (PL) spectrum showed a weak UV emission at 380 nm and a strong and broad yellow emission centered at 550 nm. The formation mechanism of hollow structure was also investigated. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：418 / 421
页数：4
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