Multichromophoric sensitizers based on calix[4]arene scaffold and 4H-pyranylidene moiety for DSSCs application

We have synthesized lower rim 1, 3-derivatives of 4-tert-butylcalix4]arene-appended dyes in order to test their physical and photovoltaic properties. These dyes consist in a donor group based on triphenylamine and/or 4H-pyranylidene moieties, a heteroaromatic p-conjugated spacer such a thiophene rin...

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Detalles Bibliográficos
Autores: Colom, E., Andrés-Castán, J.-M, Franco, S., Garín, J., Montoya, J.-F, Orduna, J., Villacampa, B., Blesa, M. J.
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2017
País:España
Institución:Universidad de Zaragoza
Repositorio:Zaguán. Repositorio Digital de la Universidad de Zaragoza
OAI Identifier:oai:zaguan.unizar.es:78884
Acceso en línea:http://zaguan.unizar.es/record/78884
Access Level:acceso abierto
Descripción
Sumario:We have synthesized lower rim 1, 3-derivatives of 4-tert-butylcalix4]arene-appended dyes in order to test their physical and photovoltaic properties. These dyes consist in a donor group based on triphenylamine and/or 4H-pyranylidene moieties, a heteroaromatic p-conjugated spacer such a thiophene ring and an acceptor group like cyanoacetic acid. The molar extinction coefficient of these systems increases with the introduction of the second dye in the same molecule and it is observed an extended band along the visible spectrum. The use of calix4]arene platform with other dyes could lead to a new strategy to the achievement of novel panchromatic dyes.

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