Ramiro Manzano, F.; Fenollosa Esteve, R.; Xifre Perez, E.; Garín Escrivá, M.; Meseguer Rico, FJ. (2012). Porous silicon microcavities: Synthesis, characterization, and application to photonic barcode devices. Nanoscale Research Letters. 7:497-1-497-6. doi:10.1186/1556-276X-7-497
Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10251/84408
Title:
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Porous silicon microcavities: Synthesis, characterization, and application to photonic barcode devices
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Author:
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Ramiro Manzano, Fernando
Fenollosa Esteve, Roberto
Xifre Perez, Elisabet
Garín Escrivá, Moisés
Meseguer Rico, Francisco Javier
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UPV Unit:
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Universitat Politècnica de València. Centro de Tecnologías Físicas: Acústica, Materiales y Astrofísica - Centre de Tecnologies Físiques: Acústica, Materials i Astrofísica
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Issued date:
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Abstract:
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[EN] 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) ...[+]
[EN] 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. © 2012 Ramiro-Manzano et al.
[-]
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Subjects:
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Optical cavity modes
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Photoluminescence emission
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Porous silicon colloids
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Biosensing
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PL spectra
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Copyrigths:
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Reconocimiento (by)
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Source:
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Nanoscale Research Letters. (issn:
1931-7573
)
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DOI:
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10.1186/1556-276X-7-497
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Publisher:
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SpringerOpen
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Publisher version:
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http://doi.org/10.1186/1556-276X-7-497
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Project ID:
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CICyT, Spain [FIS2009-07812] [CSD2007-046]
Generalitat Valenciana [PROMETEO/2010/043]
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Thanks:
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This work has been partially supported by the Spanish CICyT projects, FIS2009-07812, Consolider CSD2007-046, and PROMETEO/2010/043.
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Type:
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Artículo
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