Issue 24, 2013
From the journal:

Journal of Materials Chemistry A

Tailoring AgI nanoparticles for the assembly of AgI/BiOI hierarchical hybrids with size-dependent photocatalytic activities†

Hefeng Cheng,a   Wenjun Wang,a   Baibiao Huang,*a   Zeyan Wang,a   Jie Zhan,a   Xiaoyan Qin,a   Xiaoyang Zhanga  and  Ying Daib  

* Corresponding authors

a State Key Lab of Crystal Materials, Shandong University, Jinan 250100, China
E-mail: bbhuang@sdu.edu.cn

b School of Physics, Shandong University, China

Abstract

A facile ion exchange route between BiOI hierarchical microspheres and AgNO3 solution is explored to synthesize AgI/BiOI hierarchical hybrids that consist of AgI nanoparticles (NPs) uniformly anchored on the surface of BiOI nanosheets. With the addition of poly(vinylpyrrolidone) (PVP) surfactant molecules, the size of the AgI NPs can be tailored in the range of 55–16 nm. Evaluated by the photodecomposition of 2,4-dichlorophenol (2,4-DCP) solution under visible light irradiation, the AgI NPs/BiOI hybrids displayed highly efficient photocatalytic activities. What is more, as the size of the AgI NPs decreases, the AgI/BiOI hybrids exhibit enhanced photocatalytic performance, which is believed to be related to the larger number of surface active sites and faster spatial charge transfer.

Graphical abstract: Tailoring AgI nanoparticles for the assembly of AgI/BiOI hierarchical hybrids with size-dependent photocatalytic activities

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Article information

DOI
https://doi.org/10.1039/C3TA10849J
Article type
Paper
Submitted
28 Feb 2013
Accepted
04 Apr 2013
First published
04 Apr 2013

J. Mater. Chem. A, 2013,1, 7131-7136

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Tailoring AgI nanoparticles for the assembly of AgI/BiOI hierarchical hybrids with size-dependent photocatalytic activities

H. Cheng, W. Wang, B. Huang, Z. Wang, J. Zhan, X. Qin, X. Zhang and Y. Dai, J. Mater. Chem. A, 2013, 1, 7131 DOI: 10.1039/C3TA10849J

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