Colorobbia Italia Cericol

Vinci, Italy

Colorobbia Italia Cericol

Vinci, Italy
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Freddi S.,University of Milan Bicocca | Sironi L.,University of Milan Bicocca | D'Antuono R.,University of Milan Bicocca | Morone D.,University of Milan Bicocca | And 8 more authors.
Nano Letters | Year: 2013

We developed an all-optical method to measure the temperature on gold (nanorods and nanostars) and magnetite nanoparticles under near-infrared and radiofrequency excitation by monitoring the excited state lifetime of Rhodamine B that lies within ≅20 nm from the nanoparticle surface. We reached high temperature sensitivity (0.029 ± 0.001 ns/ C) and low uncertainty (±0.3 C). Gold nanostars are ≅3 and ≅100 times more efficient than gold nanorods and magnetite nanoparticles in inducing localized hyperthermia. © 2013 American Chemical Society.

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