Issue 10, 2016
From the journal:

RSC Advances

Oxide vacancies enhanced visible active photocatalytic W19O55 NMRs via strong adsorption

Jingwen Qian,ab   Zengying Zhao,c   Zhenguang Shen,ab   Guoliang Zhang,a   Zhijian Peng*a  and  Xiuli Fu*b  

* Corresponding authors

a School of Engineering and Technology, China University of Geosciences, Beijing 100083, P. R. China
E-mail: pengzhijian@cugb.edu.cn
Fax: +86-10-82322624
Tel: +86-10-82320255

b State Key Laboratory of Information Photonics and Optical Communications and School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, P. R. China
E-mail: xiulifu@bupt.edu.cn
Fax: +86-10-62282054
Tel: +86-10-62282452

c School of Science, China University of Geosciences, Beijing 100083, P. R. China

Abstract

W19O55 nano-/micron-rods (NMRs) were synthesized through calcining WO3 powders under a reducing atmosphere with S vapor in a vacuum furnace. For comparison, the as-prepared W19O55 NMRs were then annealed at 500 °C for 2 h to obtain WO3 NMRs. The decolourization of organic dyes methylene blue and rhodamine B under visible light by the two kinds of NMRs reveals that the oxygen-deficient W19O55 sample will present better comprehensive performance due to its stronger surface adsorption to the dye molecules, which could be attributed to the oxygen vacancies.

Graphical abstract: Oxide vacancies enhanced visible active photocatalytic W19O55 NMRs via strong adsorption

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Article information

DOI
https://doi.org/10.1039/C5RA23655J
Article type
Paper
Submitted
09 Nov 2015
Accepted
09 Jan 2016
First published
13 Jan 2016

RSC Adv., 2016,6, 8061-8069

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Oxide vacancies enhanced visible active photocatalytic W19O55 NMRs via strong adsorption

J. Qian, Z. Zhao, Z. Shen, G. Zhang, Z. Peng and X. Fu, RSC Adv., 2016, 6, 8061 DOI: 10.1039/C5RA23655J

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