One-step approach to novel Bi4V2O11 hierarchical hollow microspheres with high visible-light-driven photocatalytic activities

Xiaofang Chen; Jingbing Liu; Hao Wang; Yulong Ding; Yuxiu Sun; Hui Yan

doi:10.1039/C2TA00312K

One-step approach to novel Bi₄V₂O₁₁ hierarchical hollow microspheres with high visible-light-driven photocatalytic activities

Xiaofang Chen,^a Jingbing Liu,*^a Hao Wang,^a Yulong Ding,^b Yuxiu Sun^a and Hui Yan^a

* Corresponding authors

^a The College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, PR China
E-mail: liujingbing@bjut.edu.cn
Fax: +86-10-67392733
Tel: +86-10-67392733

^b Institute of Particle Science and Engineering School of Process, Environmental and Materials Engineering, University of Leeds, Leeds LS2 9JT, UK

Abstract

New visible-light-sensitive hierarchical Bi₄V₂O₁₁ hollow microspheres have been successfully synthesized by a facile template-free solvothermal route. The hierarchical Bi₄V₂O₁₁ superstructure was constructed of single-crystalline nanoplates with a porous surface. A possible growth pattern and formation mechanism of hierarchical Bi₄V₂O₁₁ hollow microspheres was proposed. The Brunauer–Emmett–Teller (BET) surface area of the hollow sample was 84.613 m² g⁻¹, which was much higher than other prepared Bi₄V₂O₁₁ powders. The hierarchical Bi₄V₂O₁₁ hollow microspheres exhibited excellent visible-light-driven photocatalytic activity for the degradation of Rhodamine-B (RhB). The improved photocatalytic performance could be ascribed to the high specific surface area, the narrow band gap and unique hierarchical hollow structure. The resulting hierarchical Bi₄V₂O₁₁ hollow microspheres are very promising photocatalysts for degrading organic pollutants and other applications.

Article information

https://doi.org/10.1039/C2TA00312K

Article type

Paper

Submitted

14 Sep 2012

Accepted

17 Oct 2012

First published

18 Oct 2012

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J. Mater. Chem. A, 2013,1, 877-883

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One-step approach to novel Bi₄V₂O₁₁ hierarchical hollow microspheres with high visible-light-driven photocatalytic activities

X. Chen, J. Liu, H. Wang, Y. Ding, Y. Sun and H. Yan, J. Mater. Chem. A, 2013, 1, 877 DOI: 10.1039/C2TA00312K

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Journal of Materials Chemistry A

One-step approach to novel Bi₄V₂O₁₁ hierarchical hollow microspheres with high visible-light-driven photocatalytic activities

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One-step approach to novel Bi₄V₂O₁₁ hierarchical hollow microspheres with high visible-light-driven photocatalytic activities

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