Issue 41, 2014
From the journal:

Journal of Materials Chemistry A

ZnO nanorods/ZnSe heteronanostructure arrays with a tunable microstructure of ZnSe shell for visible light photocatalysis†

Zhengcui Wu,*a   Huan Wang,a   Yejing Xue,a   Baoer Lia  and  Baoyou Geng*a  

* Corresponding authors

a Anhui Key Laboratory of Molecule-Based Materials, The Key Laboratory of Functional Molecular Solids, Ministry of Education, Center of Nano Science and Technology, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P. R. China
E-mail: zhengcui@mail.ahnu.edu.cn, bygeng@mail.ahnu.edu.cn
Fax: +86-553-3869303
Tel: +86-553-3869303

Abstract

The surface modification of semiconductors is an important strategy for tuning solar-driven photocatalytic activity. Herein, ZnO nanorods/ZnSe heteronanostructure arrays with a tunable microstructure of the ZnSe shell, with a high visible light photocatalytic activity, are produced by liquid chemical conversion using ZnO nanorods arrays on a zinc foil. By varying the ammonia concentration, the secondary ZnSe shell can be formed of nanoparticles, nanorods and nanosheets, engineered by the oriented attachment of small ZnSe nanoparticles. By virtue of the synergistic advantages of the enhanced visible light adsorption capability and the effective separation of electron–hole pairs obtained by coupling ZnO nanorods with ZnSe nanostructures, the ZnO nanorods/ZnSe heteronanostructure arrays exhibit high visible light driven photocatalytic activities as well as shell microstructure dependent photocatalytic performances.

Graphical abstract: ZnO nanorods/ZnSe heteronanostructure arrays with a tunable microstructure of ZnSe shell for visible light photocatalysis

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Article information

DOI
https://doi.org/10.1039/C4TA02989E
Article type
Paper
Submitted
12 Jun 2014
Accepted
15 Aug 2014
First published
15 Aug 2014

J. Mater. Chem. A, 2014,2, 17502-17510

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ZnO nanorods/ZnSe heteronanostructure arrays with a tunable microstructure of ZnSe shell for visible light photocatalysis

Z. Wu, H. Wang, Y. Xue, B. Li and B. Geng, J. Mater. Chem. A, 2014, 2, 17502 DOI: 10.1039/C4TA02989E

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