ZnO Hollow Spheres with Double-Yolk Egg Structure for High-Performance Photocatalysts and Photodetectors

Inspired by opening soft drink cans, a one‐pot method to prepare ZnO hollow spheres with double‐yolk egg (DEH) architectures is developed. The bubble‐assisted Ostwald ripening is proposed for the formation of these novel structures. Uniqueness of DEHs morphology led to greatly enhanced photocatalyti...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2012-07, Vol.24 (25), p.3421-3425
Main Authors: Wang, Xi, Liao, Meiyong, Zhong, Yeteng, Zheng, Jian Yao, Tian, Wei, Zhai, Tianyou, Zhi, Chunyi, Ma, Ying, Yao, Jiannian, Bando, Yoshio, Golberg, Dmitri
Format: Article
Language:English
Subjects:
Catalysis
Egg Yolk - chemistry
Electronics
hollow spheres
multiple-yolk eggs
photocatalysts
Photochemical Processes
photodetectors
Zinc Oxide - chemistry
ZnO
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Summary:Inspired by opening soft drink cans, a one‐pot method to prepare ZnO hollow spheres with double‐yolk egg (DEH) architectures is developed. The bubble‐assisted Ostwald ripening is proposed for the formation of these novel structures. Uniqueness of DEHs morphology led to greatly enhanced photocatalytic activity and photodetector performance. The newly developed synthetic concept and the obtained novel morphologies should pave the way towards the design and fabrication of other similar materials with enhanced properties for microelectronics, optoelectronics, and other applications.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201201139