Oxygen vacancy induced Bi2WO6 for the realization of photocatalytic CO2 reduction over the full solar spectrum: from the UV to the NIR region

Xin Ying Kong; Yen Yee Choo; Siang-Piao Chai; Ai Kah Soh; Abdul Rahman Mohamed

doi:10.1039/C6CC07750A

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Oxygen vacancy induced Bi₂WO₆ for the realization of photocatalytic CO₂ reduction over the full solar spectrum: from the UV to the NIR region†

Xin Ying Kong,^a Yen Yee Choo,^a Siang-Piao Chai,*^a Ai Kah Soh^b and Abdul Rahman Mohamed^c

Author affiliations

* Corresponding authors

^a Multidisciplinary Platform of Advanced Engineering, Chemical Engineering Discipline, School of Engineering, Monash University, Jalan Lagoon Selatan, 47500 Bandar Sunway, Selangor, Malaysia
E-mail: chai.siang.piao@monash.edu

^b Multidisciplinary Platform of Advanced Engineering, Mechanical Engineering Discipline, School of Engineering, Monash University, Jalan Lagoon Selatan, 47500 Bandar Sunway, Selangor, Malaysia

^c Low Carbon Economy (LCE) Group, School of Chemical Engineering, Universiti Sains Malaysia, Engineering Campus, Seri Ampangan, 14300 Nibong Tebal, Pulau Pinang, Malaysia

Abstract

Photocatalytic CO₂ reduction over the UV-Vis-NIR broad spectrum was realized for the first time. The presence of surface oxygen vacancy defects on Bi₂WO₆ resulted in significant photocatalytic enhancement over the pristine counterpart under UV and visible light irradiation. Meanwhile, the photocatalytic responsiveness of Bi₂WO₆-OV was successfully extended to the NIR region.

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Article information

DOI: https://doi.org/10.1039/C6CC07750A
Article type: Communication
Submitted: 23 Sep 2016
Accepted: 14 Nov 2016
First published: 14 Nov 2016

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Chem. Commun., 2016,52, 14242-14245

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Oxygen vacancy induced Bi₂WO₆ for the realization of photocatalytic CO₂ reduction over the full solar spectrum: from the UV to the NIR region

X. Y. Kong, Y. Y. Choo, S. Chai, A. K. Soh and A. R. Mohamed, Chem. Commun., 2016, 52, 14242 DOI: 10.1039/C6CC07750A

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Chemical Communications