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dc.contributor.authorColom, E.es_ES
dc.contributor.authorAndrés-Castán, J. M.es_ES
dc.contributor.authorBarrios, Danieles_ES
dc.contributor.authorDuerto, Isoldaes_ES
dc.contributor.authorFranco, Santiagoes_ES
dc.contributor.authorGarín, Javieres_ES
dc.contributor.authorOrduna, Jesúses_ES
dc.contributor.authorVillacampa, Belénes_ES
dc.contributor.authorBlesa, María Jesúses_ES
dc.date.accessioned2019-05-17T09:27:05Z-
dc.date.available2019-05-17T09:27:05Z-
dc.date.issued2019-
dc.identifier.citationDyes and Pigments 164: 43-53 (2019)es_ES
dc.identifier.issn0143-7208-
dc.identifier.urihttp://hdl.handle.net/10261/181610-
dc.description.abstractWe have developed two novel dyes based on p-tert-butyl-calix[4]arene in order to evaluate their behavior as sensitizer in photovoltaic devices. These dyes consist in a difunctionalized calix[4]arene with triphenylamine (TPA)-donor, a heteroaromatic π-conjugated spacer, thiophene and benzothiadiazole-phenyl ring, respectively and cyanoacetic acid as acceptor group. The effect of the π-spacer has been studied by UV–vis spectroscopy and Differential Pulse Voltammetry and the models compounds have been theoretically investigated. The dye bearing phenylbenzothiadiazole results in a bathochromic shifted absorption and an adequate efficiency to transfer charge from D to A. The considerable increase of the photocurrent density results in a better efficiency of the devices prepared with these novel dyes with respect to the p-tert-butyl-calix[4]arene derivatives bearing TPA dye. In particular, p-tert-butyl-calix[4]arene derivative based on phenylbenzothiadiazole has reached an efficiency value of 5.84% which means an increase of 33% of the efficiency over those calix[4]arene derivatives with TPA dye.es_ES
dc.description.sponsorshipWe gratefully acknowledge the financial support from the Spanish Ministry of Science and Innovation-MICINN-FEDER (Project CTQ2014–52331-R) and Gobierno de Aragón-Fondo Social Europeo (E14_17R). The “ICMA-Pi2 program” is gratefully acknowledged for the fellowship (EC). ID and DB acknowledge for the financial support of DGA fellowship and PhD studentship Santander-2018 programs, respectively.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relationMINECO/ICTI2013-2016/CTQ2014–52331-Res_ES
dc.rightsclosedAccesses_ES
dc.subjectMetal-free sensitizeres_ES
dc.subjectMultichromophorees_ES
dc.subjectAggregationes_ES
dc.subjectBenzothiadiazolees_ES
dc.titleModification of the electronic properties of the π-spacer of chromophores linked to calix[4]arene platform for DSSCs applicationses_ES
dc.typeartículoes_ES
dc.identifier.doi10.1016/j.dyepig.2018.12.066-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttps://doi.org/10.1016/j.dyepig.2018.12.066es_ES
dc.identifier.e-issn1873-3743-
dc.contributor.funderMinisterio de Ciencia e Innovación (España)es_ES
dc.contributor.funderMinisterio de Economía y Competitividad (España)es_ES
dc.contributor.funderEuropean Commissiones_ES
dc.contributor.funderGobierno de Aragónes_ES
dc.contributor.funderDiputación General de Aragónes_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000780es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100004837es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100010067es_ES
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