Quantum dot thermometry evaluation of geometry dependent heating efficiency in gold nanoparticles

Martinez Maestro, L ORCID: https://orcid.org/0000-0001-6629-5313, Haro-González, P, Sánchez-Iglesias, A, Liz-Marzán, LM, García Solé, J and Jaque, D 2014, 'Quantum dot thermometry evaluation of geometry dependent heating efficiency in gold nanoparticles' , Langmuir, 30 (6) , pp. 1650-1658.

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Abstract

Quantum dot based thermometry, in combination with double beam confocal microscopy, was used to investigate the absorption/heating efficiency of gold nanoparticles with different morphologies (nanorods, nanocages, nanoshells, and nanostars), all of them with an intense localized surface plasmon resonance within the first biological window, at around 808 nm. The heating efficiency was found to be strongly dependent on the geometry of the nanostructure, with the largest values found for gold nanorods and long-edge gold nanostars, both of them with heating efficiencies close to 100%. Gold nanorods and nanocages were found to have the largest absorption cross section per unit mass among all the studied geometries, emerging as optimum photothermal agents with minimum metal loading for biosystems.

Item Type: Article
Schools: Schools > School of Computing, Science and Engineering
Journal or Publication Title: Langmuir
Publisher: ACS Publications
ISSN: 0743-7463
Related URLs:
Funders: European Research Council, Universidad Autónoma de Madrid, Comunidad Autónoma de Madrid, Spanish Ministerio de Educacion y Ciencia, Spanish Ministerio de Economia y Competitividad, Fundación Doctor Manuel Morales
Depositing User: L Martinez Maestro
Date Deposited: 05 Dec 2019 15:46
Last Modified: 05 Dec 2019 15:46
URI: http://usir.salford.ac.uk/id/eprint/53256

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