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Issue 10, 2013
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TiO2 coated Au/Ag nanorods with enhanced photocatalytic activity under visible light irradiation

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Abstract

A facile method was used to prepare uniform Au NR/TiO2 and Au/Ag NR/TiO2 core–shell composite nanoparticles. Au/Ag NR/TiO2 nanoparticles were found to display significantly enhanced visible light photo-catalytic activity compared to Au NR/TiO2 and the commercially available TiO2 nanoparticles. The enhancement mechanism was ascribed to injection of hot electrons of photo-excited Au/Ag NRs to TiO2, which was confirmed by 633 nm laser induced reduction of silver ions on the surface of Au/Ag NR/TiO2 composite nanoparticles.

Graphical abstract: TiO2 coated Au/Ag nanorods with enhanced photocatalytic activity under visible light irradiation

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Publication details

The article was received on 29 Jan 2013, accepted on 06 Mar 2013 and first published on 12 Mar 2013


Article type: Paper
DOI: 10.1039/C3NR00517H
Citation: Nanoscale, 2013,5, 4236-4241
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    TiO2 coated Au/Ag nanorods with enhanced photocatalytic activity under visible light irradiation

    N. Zhou, L. Polavarapu, N. Gao, Y. Pan, P. Yuan, Q. Wang and Q. Xu, Nanoscale, 2013, 5, 4236
    DOI: 10.1039/C3NR00517H

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