Effects of pulsed laser irradiation on gold-coated silver nanoplates and their antibacterial activity
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.
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The morphology of Au-coated Ag nanoplates can be varied from triangular (22:1 for Ag:Au) to spherical based on the ratio of Ag ion released during PLI (4.5:1 for Ag:Au).
“The morphology can be varied from triangular (22:1 for Ag:Au) to spherical based on the ratio of the Ag ion released during PLI (4.5:1 for Ag:Au).”
From Fundamentals and comprehensive insights on pulsed laser synthesis of advanced materials for diverse photo- and electrocatalytic applications (2022) · cites this paper as [139]
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Theerthagiri, J., Karuppasamy, K., Lee, S. J., Shwetharani, R., Kim, H.-S., Pasha, S. K. K., Ashokkumar, M., & Choi, M. Y. (2022) · Light: Science & Applications · doi:10.1038/s41377-022-00904-7 · Cited by 461 · see citing works
- Authors
- Kyaw, K., Ichimaru, H., Kawagoe, T., Terakawa, M., Miyazawa, Y., Mizoguchi, D., Tsushida, M., & Niidome, T.
- Affiliations
- Yangon Technological University (MM)
- Kumamoto University (JP)
- Keio University (JP)
- DAI Nippon Toryo Co., Ltd. (Japan) (JP)
- Corresponding author
- Niidome, Takuro
- Venue
- Nanoscale
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2017
- Volume
- 9
- Issue
- 41
- Pages
- 16101-16105
- ISSN
- 2040-3364 (ISSN-L)
- 2040-3372
- OpenAlex
- W2763164742
- Cited by
- 21
- References
- 0
- Citations by year
- 2024: 2 · 2023: 1 · 2022: 4 · 2021: 5 · 2020: 1 · 2019: 4 · 2018: 3 · 2017: 1
- FWCI
- 0.84
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Nanoscale (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Kumamoto University
- Japan International Cooperation Agency
- Topics
- Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Gold and Silver Nanoparticles Synthesis and Applications
- Physical Sciences › Engineering › Biomedical Engineering › Laser-Ablation Synthesis of Nanoparticles
- Physical Sciences › Materials Science › Materials Chemistry › Nanoparticles: synthesis and applications
- Keywords
- pulsed laser irradiation, antibacterial activity, shape transformation, silver release, plasmonic nanoparticles
- MeSH terms
- Anti-Bacterial Agents, Gold, Lasers, Silver, Metal Nanoparticles
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