Issue 7, 2011
From the journal:

CrystEngComm

Photocatalytic synthesis of M/Cu2O (M = Ag, Au) heterogeneous nanocrystals and their photocatalytic properties

Zhenghua Wang,*a   Suping Zhao,a   Shiyu Zhu,a   Yanling Suna  and  Mei Fanga  

* Corresponding authors

a Anhui Key Laboratory of Functional Molecular Solids, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, PR China
E-mail: zhwang@mail.ahnu.edu.cn
Fax: +86-553-3869302
Tel: +86-553-3869303

Abstract

M/Cu2O (M = Ag, Au) heterogeneous nanocrystals are successfully prepared by depositing noble metal nanoparticles onto the surfaces of Cu2O octahedral nanocrystals through a simple photocatalytic process. The samples are characterized by means of X-ray diffraction (XRD), field-emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM) and energy dispersive X-ray analysis (EDX). The influence of the light source and solution temperature on the deposition of noble metal (taking Ag as an example) nanoparticles has been studied. The experimental results show that visible light is more favorable for the deposition of Ag nanoparticles onto Cu2O nanocrystals, and a solution temperature of more than 30 °C can prevent the erosion of Cu2O. The photocatalytic properties of the prepared M/Cu2O heterogeneous nanocrystals are studied, showing enhanced photocatalytic activities.

Graphical abstract: Photocatalytic synthesis of M/Cu2O (M = Ag, Au) heterogeneous nanocrystals and their photocatalytic properties

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Article information

DOI
https://doi.org/10.1039/C0CE00681E
Article type
Paper
Submitted
29 Sep 2010
Accepted
30 Nov 2010
First published
24 Jan 2011

CrystEngComm, 2011,13, 2262-2267

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Photocatalytic synthesis of M/Cu2O (M = Ag, Au) heterogeneous nanocrystals and their photocatalytic properties

Z. Wang, S. Zhao, S. Zhu, Y. Sun and M. Fang, CrystEngComm, 2011, 13, 2262 DOI: 10.1039/C0CE00681E

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