Journal
APPLIED PHYSICS LETTERS
Volume 108, Issue 25, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4954170
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Funding
- Spanish Ministerio de Economia y Competitividad [MAT2013-47395-C4-1-R]
- FINEP (Financiadora de Estudos e Projetos) [INFRAPESQ-11, INFRAPESQ-12]
- CNPq (Conselho Nacional de Desenvolvimento Cientifico e Tecnologico) Grant INCT NANO(BIO)SIMES
- CNPq (Conselho Nacional de Desenvolvimento Cientifico e Tecnologico) [483238/2013-9]
- CAPES (Coordenadoria de Aperfeicoamento de Pessoal de Ensino Superior) [A077/2013]
- CNPq
- Universidad Autonoma de Madrid, Spain [PVE A077/2013]
- PDE/CAPES at the Universidad Autonoma de Madrid-Spain [2108-14-3]
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We report on Ytterbium and Neodymium codoped LaF3 core/shell nanoparticles capable of simultaneous heating and thermal sensing under single beam infrared laser excitation. Efficient light-to-heat conversion is produced at the Neodymium highly doped shell due to non-radiative de-excitations. Thermal sensing is provided by the temperature dependent Nd3+ -> Yb3+ energy transfer processes taking place at the core/shell interface. The potential application of these core/shell multifunctional nanoparticles for controlled photothermal subcutaneous treatments is also demonstrated. Published by AIP Publishing.
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