Issue 26, 2015
From the journal:

Dalton Transactions

Self-assembled BiVO4/Bi2WO6 microspheres: synthesis, photoinduced charge transfer properties and photocatalytic activities

Haimei Fan,ab   Dejun Wang,*b   Zhipeng Liu,b   Tengfeng Xie*b  and  Yanhong Linb  

* Corresponding authors

a Department of Chemistry, Fujian Province University Key Laboratory of Green Energy and Environment Catalysis, Ningde Normal University, Ningde 352100, People's Republic of China
E-mail: fanahimei2008@163.com

b State Key Laboratory of Theoretical and Computational Chemistry, College of Chemistry, Jilin University, Changchun 130012, People's Republic of China
E-mail: xietf@jlu.edu.cn

Abstract

Three-dimensional (3D) BiVO4/Bi2WO6 composite microspheres with enhanced visible-light (λ > 420 nm) photodegradation activity of methylene blue (MB) were synthesized by a simple, one-pot, template-free solvothermal method. A mixture of ethylene glycol (EG) and H2O (volume ratio of EG-H2O was 1 : 1) was used as the solvent. To investigate the relationship between structure and photocatalytic performance, the as-synthesized samples were characterized by XRD, FESEM, HRTEM, UV-vis DRS, SPS and TPV. Structural characterizations indicated that the composite nanostructure mainly consisted of two single-crystal phases, which were BiVO4 and Bi2WO6. In addition, a possible growth mechanism of this microsphere composite and the separation process of photoinduced charge carriers in the heterojunction are discussed.

Graphical abstract: Self-assembled BiVO4/Bi2WO6 microspheres: synthesis, photoinduced charge transfer properties and photocatalytic activities

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Article information

DOI
https://doi.org/10.1039/C5DT01222H
Article type
Paper
Submitted
27 Mar 2015
Accepted
16 May 2015
First published
18 May 2015

Dalton Trans., 2015,44, 11725-11731

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Self-assembled BiVO4/Bi2WO6 microspheres: synthesis, photoinduced charge transfer properties and photocatalytic activities

H. Fan, D. Wang, Z. Liu, T. Xie and Y. Lin, Dalton Trans., 2015, 44, 11725 DOI: 10.1039/C5DT01222H

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