Highly enhanced plasmonic photocatalytic activity of Ag/AgCl/TiO2 by CuO co-catalyst

Zameer Hussain Shah; Jiasheng Wang; Yuzhen Ge; Cui Wang; Wenxin Mao; Shufen Zhang; Rongwen Lu

doi:10.1039/C4TA05777E

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Highly enhanced plasmonic photocatalytic activity of Ag/AgCl/TiO₂ by CuO co-catalyst†

Zameer Hussain Shah,^a Jiasheng Wang,^b Yuzhen Ge,^a Cui Wang,^a Wenxin Mao,^a Shufen Zhang^a and Rongwen Lu*^a

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* Corresponding authors

^a State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, People's Republic of China
E-mail: lurw@dlut.edu.cn
Fax: +86-411-84986292
Tel: +86-411-84986270

^b State Key Laboratory of Fine Chemicals, School of Petroleum and Chemical Engineering, Dalian University of Technology, Panjin, Liaoning 124221, People's Republic of China

Abstract

The role of CuO as a co-catalyst was studied on plasmonic photocatalysis of Ag/AgCl/TiO₂, and it was found that the photocatalytic degradation of methyl orange and phenol under visible light was highly enhanced when CuO was incorporated into Ag/AgCl/TiO₂. The samples were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), and UV/vis spectrophotometry. The photocatalytic activity under visible light was attributed to the SPR of Ag NPs, and enhancement of this activity was achieved due to CuO, which acts as a sink for photogenerated electrons.

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Article information

DOI: https://doi.org/10.1039/C4TA05777E
Article type: Paper
Submitted: 28 Oct 2014
Accepted: 10 Dec 2014
First published: 10 Dec 2014

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J. Mater. Chem. A, 2015,3, 3568-3575

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Highly enhanced plasmonic photocatalytic activity of Ag/AgCl/TiO₂ by CuO co-catalyst

Z. H. Shah, J. Wang, Y. Ge, C. Wang, W. Mao, S. Zhang and R. Lu, J. Mater. Chem. A, 2015, 3, 3568 DOI: 10.1039/C4TA05777E

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Journal of Materials Chemistry A