Issue 14, 2018

Upconversion thermometry: a new tool to measure the thermal resistance of nanoparticles

Abstract

The rapid evolution in luminescence thermometry in the last few years gradually shifted the research from the fabrication of more sensitive nanoarchitectures towards the use of the technique as a tool for thermal bioimaging and for the unveiling of properties of the thermometers themselves and of their local surroundings, for example to evaluate heat transport at unprecedented small scales. In this work, we demonstrated that KLu(WO4)2:Ho3+,Tm3+ nanoparticles are able to combine controllable heat release and upconversion thermometry permitting to estimate its thermal resistance (in air), a key parameter to model the heat transfer at the nanoscale.

Graphical abstract: Upconversion thermometry: a new tool to measure the thermal resistance of nanoparticles

Supplementary files

Article information

Article type
Paper
Submitted
23 Nov 2017
Accepted
03 Mar 2018
First published
05 Mar 2018
This article is Open Access
Creative Commons BY-NC license

Nanoscale, 2018,10, 6602-6610

Upconversion thermometry: a new tool to measure the thermal resistance of nanoparticles

O. A. Savchuk, J. J. Carvajal, C. D. S. Brites, L. D. Carlos, M. Aguilo and F. Diaz, Nanoscale, 2018, 10, 6602 DOI: 10.1039/C7NR08758F

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