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Transient enhancement and spectral narrowing of the photothermal effect of plasmonic nanoparticles under pulsed excitation.


ABSTRACT: The transient 100-fold enhancement and spectral narrowing to 2 nm of the photothermal conversion by solid gold nanospheres under near-infrared excitation with a short laser pulse is reported. This non-stationary effect was observed for a wide range of optical fluences starting from 10 mJ cm(-2) for single nanospheres, their ensembles and aggregated clusters in water, in vitro and in vivo.

SUBMITTER: Lukianova-Hleb EY 

PROVIDER: S-EPMC3772718 | biostudies-literature | 2013 Feb

REPOSITORIES: biostudies-literature

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Transient enhancement and spectral narrowing of the photothermal effect of plasmonic nanoparticles under pulsed excitation.

Lukianova-Hleb Ekaterina Y EY   Volkov Alexey N AN   Wu Xiangwei X   Lapotko Dmitri O DO  

Advanced materials (Deerfield Beach, Fla.) 20121114 5


The transient 100-fold enhancement and spectral narrowing to 2 nm of the photothermal conversion by solid gold nanospheres under near-infrared excitation with a short laser pulse is reported. This non-stationary effect was observed for a wide range of optical fluences starting from 10 mJ cm(-2) for single nanospheres, their ensembles and aggregated clusters in water, in vitro and in vivo. ...[more]

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