Organic sensitizers bearing a trialkylsilyl ether group for liquid dye sensitized solar cells

doi:https://dx.doi.org/10.1016/j.dyepig.2015.07.026

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Utilizad este identificador para citar o enlazar este documento: http://hdl.handle.net/2072/226254

dc.contributor.author	Perez-Tejada, Raquel
dc.contributor.author	Martínez de Baroja, Natalia
dc.contributor.author	Franco, Santiago
dc.contributor.author	Pelleja, Laia
dc.contributor.author	Orduna, Jesús
dc.contributor.author	Andreu, Raquel
dc.contributor.author	Garín, Javier
dc.date.accessioned	2018-01-15T16:03:46Z
dc.date.accessioned	2018-02-15T10:28:46Z
dc.date.available	2018-01-15T16:03:46Z
dc.date.available	2018-02-15T10:28:46Z
dc.date.issued	2015
dc.identifier.uri	http://hdl.handle.net/2072/226254
dc.identifier.uri	http://hdl.handle.net/2072/305893
dc.language.iso	eng
dc.publisher	Elsevier
dc.relation	Spanish Ministry of Science and Innovation
dc.relation	Gobierno de Aragon-Fondo Social Europeo
dc.relation	MICINN-FEDER
dc.relation	MINECO
dc.relation	Severo Ochoa Excellence Accreditation
dc.relation.ispartof	Dyes and Pigments
dc.rights	© 2015 Elsevier Ltd
dc.title	Organic sensitizers bearing a trialkylsilyl ether group for liquid dye sensitized solar cells
dc.type	info:eu-repo/semantics/article
dc.relation.projectID	CTQ2011-22727
dc.relation.projectID	CTQ2014-52331-R
dc.relation.projectID	E39
dc.relation.projectID	SEV-2013-0319
dc.identifier.doi	https://dx.doi.org/10.1016/j.dyepig.2015.07.026
dc.rights.accessLevel	info:eu-repo/semantics/openAccess
dc.description.abstract	In this work we present the synthesis, optical characterization and performance of five metal-free sensitizers for dye-sensitized solar cells (DSSC). All dyes include, for the first time, a trialkylsilyl ether group in the p-conjugated bridge (a thiophene ring). The influence of different donor unities, like triarylamine (TPA), 4H-pyranylidene and dithiafulvene has been evaluated in DSSC with a liquid I3/I_x0001_ electrolyte, obtaining the best results with the 4H-pyranylidene moiety. The size and the position of the bulky group have a great importance in the efficiency of the final devices. In order to explain the recombination processes and electron life-time, charge extraction (CE) and transient photovoltage (TPV) experiments have been carried out.

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