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Effects of pulsed laser irradiation on gold-coated silver nanoplates and their antibacterial activity

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Abstract

Gold-coated silver nanoplates, when subjected to pulsed laser irradiation, changed their shape from triangular to spherical, accompanied by a shift of their extinction spectra. The simple single crystal structure of the silver nanoplates changed to multiple small crystal domains. The ratio of silver to gold of the particles also changed from 22 : 1 to 4.5 : 1, enabling more silver to be released. As a result, the antibacterial activity of the gold-coated silver nanoplates was significantly increased after pulsed laser irradiation.

Graphical abstract: Effects of pulsed laser irradiation on gold-coated silver nanoplates and their antibacterial activity

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Publication details

The article was received on 01 Sep 2017, accepted on 06 Oct 2017 and first published on 11 Oct 2017


Article type: Paper
DOI: 10.1039/C7NR06513B
Citation: Nanoscale, 2017, Advance Article
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    Effects of pulsed laser irradiation on gold-coated silver nanoplates and their antibacterial activity

    K. Kyaw, H. Ichimaru, T. Kawagoe, M. Terakawa, Y. Miyazawa, D. Mizoguchi, M. Tsushida and T. Niidome, Nanoscale, 2017, Advance Article , DOI: 10.1039/C7NR06513B

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