Improving selective thermal emission properties of three-dimensional macroporous silicon through porosity tuning

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/2463

dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica
dc.contributor	Universitat Politècnica de Catalunya. MNT - Grup de Recerca en Micro i Nanotecnologies
dc.contributor.author	Garin Escriva, Moises
dc.contributor.author	Todorov Trifonov, Trifon
dc.contributor.author	Rodríguez Martínez, Ángel
dc.contributor.author	Alcubilla González, Ramón
dc.contributor.author	Marquier, F.
dc.contributor.author	Arnold, C.
dc.contributor.author	Greffet, J.-J.
dc.date	2008-06-15
dc.identifier.citation	Garin, M.; Trifonov, T.; Rodríguez, A.; Alcubilla, R.; Marquier, F.; Arnold, C.; Greffet, J.J. Improving selective thermal emission properties of three-dimensional macroporous silicon through porosity tuning. A: Applied Physical Letters, 2008, vol. 93, 081913.
dc.identifier.citation	0003-6951
dc.identifier.citation	10.1063/1.2976144
dc.identifier.uri	http://hdl.handle.net/2117/2463
dc.language.iso	eng
dc.publisher	American Institute of Physics
dc.relation	CICYT-TEC2005-02716/MIC
dc.relation	CICYT-TEC2007-67081
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica::Fotònica
dc.subject	Oxidation
dc.subject	Photonic crystals
dc.subject	Porosity
dc.subject	Silicon
dc.subject	elemental semiconductors
dc.subject	oxidation
dc.subject	Progressive porosity increase
dc.subject	photonic band gap
dc.subject	porosity
dc.subject	porous semiconductors
dc.subject	reflectivity
dc.subject	silicon
dc.subject	selective thermal emission properties
dc.subject	three-dimensional macroporous silicon
dc.subject	porosity tuning
dc.subject	progressive porosity
dc.subject	omnidirectional total reflection bandwidths
dc.subject	angle-resolved reflectance
dc.subject	thermal emission measurements
dc.subject	Si
dc.subject	Oxidació
dc.subject	Fotònica
dc.subject	Porositat
dc.subject	Silici
dc.title	Improving selective thermal emission properties of three-dimensional macroporous silicon through porosity tuning
dc.type	info:eu-repo/semantics/article
dc.description.abstract	We present a theoretical and experimental study on the effect of progressive porosity increase, through multiple oxidation/oxide removal steps, upon the optical characteristics in threedimensional macroporous silicon. It is shown that, by increasing porosity, optical features can be pushed toward higher frequencies. Optimum porosities exist where normal or omnidirectional total reflection bandwidths are maximized, doubling the initial values. Results are confirmed experimentally through angle-resolved reflectance and thermal emission measurements.
dc.description.abstract	Peer Reviewed

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