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Ekaterina Y. Lukianova-Hleb, Alexey N. Volkov, Xiangwei Wu and Dmitri O. Lapotko Transient Enhancement and Spectral Narrowing of The Photothermal Effect of Plasmonic Nanoparticles Under Pulsed Excitation Advanced Materials 25

Article first published online: 14 NOV 2012 | DOI: 10.1002/adma.201204083

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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.

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