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Assessing Single Upconverting Nanoparticle Luminescence by Optical Tweezers

Author
Rodríguez-Sevilla, Paloma; Rodríguez-Rodríguez, H.; Pedroni, Marco; Speghini, A.; Bettinelli, M.; Solé, J.G.; Jaque García, Danieluntranslated; Haro-González, Patricia
Entity
UAM. Departamento de Física de Materiales
Publisher
American Chemical Society
Date
2015-08-12
Citation
10.1021/acs.nanolett.5b01184
Nano Letters 15.8 (2015): 5068-5074
 
 
 
ISSN
1530-6984 (print); 1530-6992 (online)
DOI
10.1021/acs.nanolett.5b01184
Funded by
This work was supported by the Spanish Ministerio de Educación y Ciencia (MAT2010–16161 and MAT2013–47395-C4–1-R). P.H.G. thanks the Spanish Ministerio de Economía y Competitividad (MINECO) for the Juan de la Cierva program. P.R.S thanks the Spanish Ministerio de Economía y Competitividad (MINECO) for the “Promoción 14 del talento y su Empleabilidad en I+D+i” statal program. Fondazione Cariverona (Verona, Italy) is gratefully acknowledged for financial support in the frame of the project “Verona Nanomedicine Initiative”
Project
Gobierno de España. MAT2010–16161; Gobierno de España. MAT2013–47395-C4–1-R
Editor's Version
http://dx.doi.org/10.1021/acs.nanolett.5b01184
Subjects
Upconverting nanoparticle; Optical tweezers; Single particle fluorescence; Física
URI
http://hdl.handle.net/10486/674299
Rights
© 2015 American Chemical Society

Abstract

We report on stable, long-term immobilization and localization of a single colloidal Er3+/Yb3+ codoped upconverting fluorescent nanoparticle (UCNP) by optical trapping with a single infrared laser beam. Contrary to expectations, the single UCNP emission differs from that generated by an assembly of UCNPs. The experimental data reveal that the differences can be explained in terms of modulations caused by radiation-trapping, a phenomenon not considered before but that this work reveals to be of great relevance
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Google™ Scholar:Rodríguez-Sevilla, Paloma - Rodríguez-Rodríguez, H. - Pedroni, Marco - Speghini, A. - Bettinelli, M. - Solé, J.G. - Jaque García, Daniel - Haro-González, Patricia

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  • Producción científica en acceso abierto de la UAM [16522]

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All the documents from Biblos-e Archivo are protected by copyrights. Some rights reserved.
Universidad Autónoma de Madrid. Biblioteca
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