Porous silicon microcavities: synthesis, characterization, and application to photonic barcode devices

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Porous silicon microcavities: synthesis, characterization, and application to photonic barcode devices - PC:676

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https://hdl.handle.net/20.500.11797/PC676

Autor segons l'article:	Meseguer, F. Garín, M. Xifré-Pérez, E Fenollosa, R. Ramiro-Manzano, F
Any de publicació de la revista:	2012
ISSN:	1931-7573
DOI de l'article:	10.1186/1556-276X-7-497
Enllaç font original:	http://link.springer.com/article/10.1186%2F1556-276X-7-497
Versió de l'article dipositat:	info:eu-repo/semantics/publishedVersion
Accès a la llicència d'ús:	https://creativecommons.org/licenses/by/3.0/es/
Departament:	Enginyeria Electrònica
URL Document de llicència:	https://repositori.urv.cat/ca/proteccio-de-dades/
Entitat:	Universitat Rovira i Virgili.
Pàgina inicial:	497
Pàgina final:	502
Volum de revista:	7

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Descripció:	10.1186/1556-276X-7-497 We have recently developed a new type of porous silicon we name as porous silicon colloids. They consist of almost perfect spherical silicon nanoparticles with a very smooth surface, able to scatter (and also trap) light very efficiently in a large-span frequency range. Porous silicon colloids have unique properties because of the following: (a) they behave as optical microcavities with a high refractive index, and (b) the intrinsic photoluminescence (PL) emission is coupled to the optical modes of the microcavity resulting in a unique luminescence spectrum profile. The PL spectrum constitutes an optical fingerprint identifying each particle, with application for biosensing. In this paper, we review the synthesis of silicon colloids for developing porous nanoparticles. We also report on the optical properties with special emphasis in the PL emission of porous silicon microcavities. Finally, we present the photonic barcode concept.
Cobertura:	Anglès
Tipus:	Article info:eu-repo/semantics/publishedVersion
Títol:	Porous silicon microcavities: synthesis, characterization, and application to photonic barcode devices
Coautor:	Enginyeria Electrònica Universitat Rovira i Virgili.
Matèria:	1931-7573
Autor:	Meseguer, F. Garín, M. Xifré-Pérez, E Fenollosa, R. Ramiro-Manzano, F
Drets:	info:eu-repo/semantics/openAccess
Data:	2012

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