Ti0.89Si0.11O2 single crystals bound by high-index {201} facets showing enhanced visible-light photocatalytic hydrogen evolution

Long Wu; Hai Bo Jiang; Feng Tian; Zhigang Chen; Chenghua Sun; Hua Gui Yang

doi:10.1039/C3CC38105F

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Ti_0.89Si_0.11O₂ single crystals bound by high-index {201} facets showing enhanced visible-light photocatalytic hydrogen evolution†

Long Wu,^a Hai Bo Jiang,^a Feng Tian,^b Zhigang Chen,^c Chenghua Sun*^d and Hua Gui Yang*^a

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* Corresponding authors

^a Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
E-mail: hgyang@ecust.edu.cn
Fax: +86 21 64252127
Tel: +86 21 64252127

^b School of Materials Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China

^c Centre for Microscopy and Microanalysis and School of Engineering, The University of Queensland, Queensland 4072, Australia

^d Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Queensland 4072, Australia
E-mail: c.sun1@uq.edu.au
Fax: +61 7 33463992
Tel: +61 7 3346397

Abstract

Silicon (Si) doped anatase titanium dioxide (Ti_0.89Si_0.11O₂) single crystals bound by high-index {201} facets and high-energy {001} facets were synthesized by a facile method. It was found that the Si-doping can widely extend the optical absorption edge into the visible-light region and highly reactive facets can enhance their photocatalytic activity, as revealed by the combination of experimental and computational studies.

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Article information

DOI: https://doi.org/10.1039/C3CC38105F
Article type: Communication
Submitted: 09 Nov 2012
Accepted: 19 Jan 2013
First published: 21 Jan 2013

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Chem. Commun., 2013,49, 2016-2018

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Ti_0.89Si_0.11O₂ single crystals bound by high-index {201} facets showing enhanced visible-light photocatalytic hydrogen evolution

L. Wu, H. B. Jiang, F. Tian, Z. Chen, C. Sun and H. G. Yang, Chem. Commun., 2013, 49, 2016 DOI: 10.1039/C3CC38105F

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