Issue 12, 2012
From the journal:

New Journal of Chemistry

ZnO@ZnS hollow dumbbells–graphene composites as high-performance photocatalysts and alcohol sensors

Xuelian Yu,a   Guangjin Zhang,*a   Hongbin Cao,a   Xiaoqiang An,b   Yun Wang,b   Zhongjun Shu,b   Xiaoli Anb  and  Fei Huab  

* Corresponding authors

a Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China
E-mail: zhanggj@home.ipe.ac.cn

b Department of Fire Protection Engineering, Chinese People's Armed Police Force Academy, Hebei, Langfang, China

Abstract

Novel ZnO@ZnS hollow dumbbells–graphene composites have been successfully fabricated through a polymer-assisted hydrothermal reaction and sulfurization treatment. Because of the formation of heterostructures and a new transfer pathway of electrons from ZnS to graphene, the composites show significantly superior photocatalytic activities than ZnO dumbbells and ZnO@ZnS hollow dumbbells. The improved electric conductivity and the improved adsorption and diffusion of gas molecules also endow them with excellent sensitivity and selectivity toward alcohol gas. This paper presents a promising method to fabricate semiconductor heterostructure–graphene composites for high-efficiency photocatalysts and gas sensors.

Graphical abstract: ZnO@ZnS hollow dumbbells–graphene composites as high-performance photocatalysts and alcohol sensors

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Article information

DOI
https://doi.org/10.1039/C2NJ40770A
Article type
Paper
Submitted
12 Jul 2012
Accepted
01 Oct 2012
First published
05 Oct 2012

New J. Chem., 2012,36, 2593-2598

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ZnO@ZnS hollow dumbbells–graphene composites as high-performance photocatalysts and alcohol sensors

X. Yu, G. Zhang, H. Cao, X. An, Y. Wang, Z. Shu, X. An and F. Hua, New J. Chem., 2012, 36, 2593 DOI: 10.1039/C2NJ40770A

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