Topochemical transformation of low-energy crystal facets to high-energy facets: a case from Bi2O2CO3 {001} facets to β-Bi2O3 {001} facets with improved photocatalytic oxidation of NO

Fang Wang; Ziyan Zhao; Kunhao Zhang; Fan Dong; Ying Zhou

doi:10.1039/C5CE01035G

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Topochemical transformation of low-energy crystal facets to high-energy facets: a case from Bi₂O₂CO₃ {001} facets to β-Bi₂O₃ {001} facets with improved photocatalytic oxidation of NO†

Fang Wang,^ab Ziyan Zhao,^b Kunhao Zhang,^c Fan Dong^d and Ying Zhou

*^ab

Author affiliations

* Corresponding authors

^a State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China
E-mail: yzhou@swpu.edu.cn

^b The Center of New Energy Materials and Technology, School of Materials Science and Engineering, Southwest Petroleum University, Chengdu 610500, China

^c Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201204, China

^d College of Environmental and Biological Engineering, Chongqing Technology and Business University, Chongqing 400067, China

Abstract

Herein, β-Bi₂O₃ nanosheets exposed with active {001} facets were facilely prepared through annealing Bi₂O₂CO₃ with thermally stable {001} facets. The enhanced photocatalytic activity of β-Bi₂O₃ was ascribed to the high energy of {001} facets and the efficient charge separation. This 2D surface transformation strategy could shed new light on the fabrication of energetic facets and the development of highly active photocatalysts.

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Article information

DOI: https://doi.org/10.1039/C5CE01035G
Article type: Communication
Submitted: 29 May 2015
Accepted: 03 Jul 2015
First published: 06 Jul 2015

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CrystEngComm, 2015,17, 6098-6102

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Topochemical transformation of low-energy crystal facets to high-energy facets: a case from Bi₂O₂CO₃ {001} facets to β-Bi₂O₃ {001} facets with improved photocatalytic oxidation of NO

F. Wang, Z. Zhao, K. Zhang, F. Dong and Y. Zhou, CrystEngComm, 2015, 17, 6098 DOI: 10.1039/C5CE01035G

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