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Nanostructure of self-assembled rod-coil block copolymer films for photovoltaic applications

dc.rights.licenseopen
hal.structure.identifierInstitut d'Electronique du Solide et des Systèmes [InESS]
dc.contributor.authorHEISER, Thomas
hal.structure.identifierLaboratoire d'Ingenierie des Polymères pour les Hautes Technologies
dc.contributor.authorADAMOPOULOS, G.
hal.structure.identifierInstitut Charles Sadron [ICS]
dc.contributor.authorBRINKMANN, Martin
hal.structure.identifierLaboratoire d'Ingenierie des Polymères pour les Hautes Technologies
dc.contributor.authorGIOVANELLA, U.
hal.structure.identifierInstitut d'Electronique du Solide et des Systèmes [InESS]
dc.contributor.authorOULD-SAAD, S.
hal.structure.identifierLaboratoire d'Ingenierie des Polymères pour les Hautes Technologies
hal.structure.identifierTeam 4 LCPO : Polymer Materials for Electronic, Energy, Information and Communication Technologies
dc.contributor.authorBROCHON, Cyril
hal.structure.identifierLaboratoire d'Ingenierie des Polymères pour les Hautes Technologies
dc.contributor.authorVAN DE WETERING, K.
hal.structure.identifierLaboratoire d'Ingenierie des Polymères pour les Hautes Technologies
hal.structure.identifierTeam 4 LCPO : Polymer Materials for Electronic, Energy, Information and Communication Technologies
dc.contributor.authorHADZIIOANNOU, Georges
dc.date.accessioned2020
dc.date.available2020
dc.date.issued2006
dc.identifier.issn0040-6090
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/20608
dc.description.abstractEnThe nanostructures of a series of rod-coil block copolymers, designed for photovoltaic applications, are studied by atomic force microscopy and transmission electron microscopy. The copolymers are composed of a semiconducting poly-p-phenylenevinylene rod with (2'-ethyl)-hexyloxy side chains and a functionalized coil block of various length and flexibility. Both, as deposited and annealed block copolymer films were investigated. The results show that highly ordered structures are only obtained if the coil block is characterized by a glass transition temperature which is significantly lower than the melting temperature of the alkyl side chains. For this material a high molecular mobility and strong driving force for crystallization of the rigid block can be achieved simultaneously. For the smallest coil to rod length ratio, we found a lamellar morphology with perpendicularly oriented lamellae with respect to the substrate. Electron diffraction data show the presence of a periodical molecular arrangement with a characteristic distance of 0.94 nm that is attributed to the distance between conjugated chains separated by the layers of alkyl sidechains.
dc.language.isoen
dc.publisherElsevier
dc.subject.entransmission electron microscopy
dc.subject.enself-assembled nanostructure
dc.subject.enatomic force microscopy
dc.subject.enrod-coil block copolymer
dc.subject.enorganic solar cell
dc.title.enNanostructure of self-assembled rod-coil block copolymer films for photovoltaic applications
dc.typeArticle de revue
dc.identifier.doi10.1016/j.tsf.2005.12.134
dc.subject.halChimie/Polymères
bordeaux.journalThin Solid Films
bordeaux.page219-223
bordeaux.volume511-512
bordeaux.hal.laboratoriesLaboratoire de Chimie des Polymères Organiques (LCPO) - UMR 5629*
bordeaux.institutionBordeaux INP
bordeaux.institutionUniversité de Bordeaux
bordeaux.peerReviewedoui
hal.identifierhal-00402995
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00402995v1
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