Transient enhancement and spectral narrowing of the photothermal effect of plasmonic nanoparticles under pulsed excitation
- PMID: 23161793
- PMCID: PMC3772718
- DOI: 10.1002/adma.201204083
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.
Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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