Study the plasmonic property of gold nanorods highly above damage threshold via single-pulse spectral hole-burning experiments

Abstract Intense femtosecond laser irradiation reshapes gold nanorods, resulting in a persistent hole in the optical absorption spectrum of the nanorods at the wavelength of the laser. Single-pulse hole-burning experiments were performed in a mixture of nanorods with a broad absorption around 800 nm...

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Autores principales:	Zibo Wang, Zhe Kan, Mengyan Shen
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/df0ac019d16143ecbb339d62a4d3a575
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spelling	oai:doaj.org-article:df0ac019d16143ecbb339d62a4d3a5752021-11-21T12:25:16ZStudy the plasmonic property of gold nanorods highly above damage threshold via single-pulse spectral hole-burning experiments10.1038/s41598-021-01195-52045-2322https://doaj.org/article/df0ac019d16143ecbb339d62a4d3a5752021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-01195-5https://doaj.org/toc/2045-2322Abstract Intense femtosecond laser irradiation reshapes gold nanorods, resulting in a persistent hole in the optical absorption spectrum of the nanorods at the wavelength of the laser. Single-pulse hole-burning experiments were performed in a mixture of nanorods with a broad absorption around 800 nm with a 35-fs laser with 800 nm wavelength and 6 mJ/pulse. A significant increase in hole burning width at an average fluence of 106 J/m2 has been found, suggesting a tripled damping coefficient of plasmon. This shows that the surface plasmonic effect still occurs at extremely high femtosecond laser fluences just before the nanorods are damaged and the remaining 10% plasmonic enhancement of light is at the fluence of 106 J/m2, which is several orders of magnitude higher than the damage threshold of the gold nanorods. Plasmon–photon interactions may also cause an increase in the damping coefficient.Zibo WangZhe KanMengyan ShenNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Zibo Wang Zhe Kan Mengyan Shen Study the plasmonic property of gold nanorods highly above damage threshold via single-pulse spectral hole-burning experiments
description	Abstract Intense femtosecond laser irradiation reshapes gold nanorods, resulting in a persistent hole in the optical absorption spectrum of the nanorods at the wavelength of the laser. Single-pulse hole-burning experiments were performed in a mixture of nanorods with a broad absorption around 800 nm with a 35-fs laser with 800 nm wavelength and 6 mJ/pulse. A significant increase in hole burning width at an average fluence of 106 J/m2 has been found, suggesting a tripled damping coefficient of plasmon. This shows that the surface plasmonic effect still occurs at extremely high femtosecond laser fluences just before the nanorods are damaged and the remaining 10% plasmonic enhancement of light is at the fluence of 106 J/m2, which is several orders of magnitude higher than the damage threshold of the gold nanorods. Plasmon–photon interactions may also cause an increase in the damping coefficient.
format	article
author	Zibo Wang Zhe Kan Mengyan Shen
author_facet	Zibo Wang Zhe Kan Mengyan Shen
author_sort	Zibo Wang
title	Study the plasmonic property of gold nanorods highly above damage threshold via single-pulse spectral hole-burning experiments
title_short	Study the plasmonic property of gold nanorods highly above damage threshold via single-pulse spectral hole-burning experiments
title_full	Study the plasmonic property of gold nanorods highly above damage threshold via single-pulse spectral hole-burning experiments
title_fullStr	Study the plasmonic property of gold nanorods highly above damage threshold via single-pulse spectral hole-burning experiments
title_full_unstemmed	Study the plasmonic property of gold nanorods highly above damage threshold via single-pulse spectral hole-burning experiments
title_sort	study the plasmonic property of gold nanorods highly above damage threshold via single-pulse spectral hole-burning experiments
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/df0ac019d16143ecbb339d62a4d3a575
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Study the plasmonic property of gold nanorods highly above damage threshold via single-pulse spectral hole-burning experiments

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