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Plasmonic enhancement in the fluorescence of organic and biological molecules by photovoltaic tweezing assembly

Author
Elvira, Iris; Muñoz-Martínez, Juan F.; Jubera, Mariano; García-Cabañes, Ángel; Bella, José L.; Haro-González, Patricia; Díaz-García, María A.; Agulló-López, Fernando; Carrascosa Rico, Mercedesuntranslated
Entity
UAM. Departamento de Física de Materiales
Publisher
Wiley
Date
2017
Citation
10.1002/admt.201700024
Advanced Materials Technologies 2.8 (2017):1700024
 
 
 
ISSN
2365-709X
DOI
10.1002/admt.201700024
Funded by
This work was supported by the funding of the Ministerio de Economía y Competitividad of Spain under the project MAT2014-57704-C3. M. A. Díaz also acknowledges Spanish Government (MINECO) and the European Community (FEDER) through Grant MAT2015-66586-R
Project
Gobierno de España. MAT2014-57704-C3; Gobierno de España. MAT2015-66586-R
Editor's Version
http://dx.doi.org/10.1002/admt.201700024
Subjects
Optoelectronic tweezers; Nanoparticle optical manipulation; Plasmonic luminescence enhancement; Enhanced biomolecule fluorescence; Bulk-photovoltaic effect; Física
URI
http://hdl.handle.net/10486/680311
Note
This is the peer reviewed version of the following article: Advanced Materials Technologies 2.8 (2017): 1700024, which has been published in final form at http://dx.doi.org/10.1002/admt.201700024. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving
Rights
© 2017 Willey

Abstract

The potential of photovoltaic tweezers to produce plasmonic platforms for fluorescence enhancement of organic or biological molecules is demonstrated. 1D and 2D patterns of silver nanoparticles have been produced on the surface of LiNbO3:Fe substrates using this photovoltaic tool, which allows depositing in parallel a large number of particles in accordance with imposed 1D and 2D light profiles. The nanoparticle patterns reveal a variety of plasmonic features whose resonances cover a broad spectral range and are able to produce efficient fluorescence enhancement. First a remarkable average enhancement factor of ten has been measured for Disperse Red 1 organic molecules deposited on the patterns. Clear enhancements have been also obtained from fluorescein labeled biological molecules (DNA and asynthetic peptide). Finally, the possibility of using the photo-electrically generated metallic patterns with other substrates is also demonstrated by enhancement experiments for which the nanoparticle pattern has been transferred to a non-photovoltaic substrate
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Google™ Scholar:Elvira, Iris - Muñoz-Martínez, Juan F. - Jubera, Mariano - García-Cabañes, Ángel - Bella, José L. - Haro-González, Patricia - Díaz-García, María A. - Agulló-López, Fernando - Carrascosa Rico, Mercedes

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  • Producción científica en acceso abierto de la UAM [14744]

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