Novel carbon sphere@Bi2MoO6 core–shell structure for efficient visible light photocatalysis

Jinliang Li; Xinjuan Liu; Xianqing Piao; Zhuo Sun; Likun Pan

doi:10.1039/C4RA16777E

Novel carbon sphere@Bi₂MoO₆ core–shell structure for efficient visible light photocatalysis†

Jinliang Li,^a Xinjuan Liu,*^b Xianqing Piao,^a Zhuo Sun^a and Likun Pan*^a

* Corresponding authors

^a Engineering Research Center for Nanophotonics & Advanced Instrument, Ministry of Education, Shanghai Key Laboratory of Magnetic Resonance, Department of Physics, Department of Physics, East China Normal University, Shanghai 200062, China
E-mail: lkpan@phy.ecnu.edu.cn
Fax: +86-21-62234321
Tel: +86-21-62234132

^b Institute of Coordination Bond Metrology and Engineering, College of Materials Science and Engineering, China Jiliang University, Hangzhou 310018, China
E-mail: lxj669635@126.com

Abstract

Carbon sphere (CS)@Bi₂MoO₆ core–shell structure (CS@BMO) composites were successfully synthesized via a solvothermal reaction of CSs and Bi₂MoO₆ precursors in the mixed solution of ethylene glycol and ethanol. The morphology, structure and photocatalytic performance of the composites in the degradation of Rhodamine B (RhB) were characterized by scanning electron microscopy, X-ray diffraction, UV-vis absorption spectroscopy, electrochemical impedance spectra and nitrogen adsorption–desorption, respectively. The results show that the CS@BMO composites exhibit enhanced photocatalytic performance for degradation of RhB with a maximum degradation rate of 95% under visible light irradiation compared with the pure Bi₂MoO₆. The improved photocatalytic performance is ascribed to the enhanced specific surface area and light absorption as well as the reduced electron–hole pair recombination with the presence of CSs in the composites.

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DOI: https://doi.org/10.1039/C4RA16777E
Article type: Paper
Submitted: 21 Dec 2014
Accepted: 30 Jan 2015
First published: 30 Jan 2015

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RSC Adv., 2015,5, 16592-16597

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Novel carbon sphere@Bi₂MoO₆ core–shell structure for efficient visible light photocatalysis

J. Li, X. Liu, X. Piao, Z. Sun and L. Pan, RSC Adv., 2015, 5, 16592 DOI: 10.1039/C4RA16777E

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Novel carbon sphere@Bi₂MoO₆ core–shell structure for efficient visible light photocatalysis†

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Novel carbon sphere@Bi₂MoO₆ core–shell structure for efficient visible light photocatalysis

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