Solid-state synthesis of SnO2–graphene nanocomposite for photocatalysis and formaldehyde gas sensing

Yali Cao; Yizhao Li; Dianzeng Jia; Jing Xie

doi:10.1039/C4RA06995A

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Solid-state synthesis of SnO₂–graphene nanocomposite for photocatalysis and formaldehyde gas sensing†

Yali Cao,‡^a Yizhao Li,‡^a Dianzeng Jia*^a and Jing Xie^a

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* Corresponding authors

^a Key Laboratory of Material and Technology for Clean Energy, Ministry of Education, Key Laboratory of Advanced Functional Materials, Autonomous Region, Institute of Applied Chemistry, Xinjiang University, Urumqi, Xinjiang 830046, China
E-mail: jdz@xju.edu.cn
Fax: +86 991 8580032
Tel: +86 991 8583083

Abstract

A facile solid-state synthetic route has been developed to prepare a tin oxide–graphene (SnO₂–graphene) nanocomposite. Graphene decorated with tin oxide (SnO₂) nanoparticles was synthesized by in situ solid-state chemical reaction at room temperature. The obtained SnO₂–graphene nanocomposite has been investigated for applications as a photocatalyst to degrade organic contaminants in water and a chemical sensor to detect various vapours. The experiment results show that the SnO₂–graphene nanocomposite exhibited improved performances for photocatalytic decomposition of Methyl Orange and Rhodamine B, and formaldehyde sensing comparable with the SnO₂ nanoparticles. The enhancement of properties is proposed to be related to the large specific surface area of the nanocomposite and the good electronic characteristics of graphene.

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Article information

DOI: https://doi.org/10.1039/C4RA06995A
Article type: Paper
Submitted: 11 Jul 2014
Accepted: 12 Sep 2014
First published: 12 Sep 2014

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RSC Adv., 2014,4, 46179-46186

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Solid-state synthesis of SnO₂–graphene nanocomposite for photocatalysis and formaldehyde gas sensing

Y. Cao, Y. Li, D. Jia and J. Xie, RSC Adv., 2014, 4, 46179 DOI: 10.1039/C4RA06995A

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