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Effect of the regioregularity of poly(3-hexylthiophene) on the performance of organic photovoltic devices

dc.rights.licenseopen
hal.structure.identifierLaboratoire de l'intégration, du matériau au système [IMS]
dc.contributor.authorURIEN, Mathieu
hal.structure.identifierLaboratoire de l'intégration, du matériau au système [IMS]
dc.contributor.authorBAILLY, Loïc
hal.structure.identifierLaboratoire de l'intégration, du matériau au système [IMS]
dc.contributor.authorVIGNAU, Laurence
hal.structure.identifierLaboratoire de Chimie des polymères organiques [LCPO]
hal.structure.identifierTeam 4 LCPO : Polymer Materials for Electronic, Energy, Information and Communication Technologies
dc.contributor.authorCLOUTET, Eric
IDREF: 151048681
hal.structure.identifierLaboratoire de Chimie des polymères organiques [LCPO]
dc.contributor.authorDE CUENDIAS, Anne
hal.structure.identifierLaboratoire de l'intégration, du matériau au système [IMS]
dc.contributor.authorWANTZ, Guillaume
hal.structure.identifierLaboratoire de Chimie des polymères organiques [LCPO]
hal.structure.identifierTeam 2 LCPO : Biopolymers & Bio-sourced Polymers
dc.contributor.authorCRAMAIL, Henri
hal.structure.identifierLaboratoire de l'intégration, du matériau au système [IMS]
dc.contributor.authorHIRSCH, Lionel
IDREF: 111272459
hal.structure.identifierLaboratoire de l'intégration, du matériau au système [IMS]
dc.contributor.authorPARNEIX, Jean-Paul
dc.date.accessioned2020
dc.date.available2020
dc.date.issued2008
dc.identifier.issn0959-8103
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/20780
dc.description.abstractEnBACKGROUND: The highest efficiencies of bulk-heterojunction solar cells from poly(3-hexylthiophene) (P3HT) and [6,61-phenyl C-61-butyric acid methyl ester (PCBM) reported so far are close to 6%. Phenomena occurring during the photovoltaic process, such as the creation, diffusion and separation of excitons, as well as charge carrier transport, are governed by the active layer morphology. The latter phenomenon, which depends on the self-organization of P3HT, can be influenced by its degree of regioregularity. The aim of this work is to clarify the relationship between the regioregularity of P3HT, the composition of P3HT/PCBM blends and the performances of photovoltaic devices. RESULTS: Two types of P3HTs with different degrees of regioregularity have been synthesized and used as active layers with PCBM in photovoltaic cells. The higher performances in photovoltaic devices are obtained for high-regioregular P3HT and can be explained considering the self-organizing properties of high-regioregular P3HT, leading to higher sunlight absorption and higher hole mobilities. In addition, this report demonstrates the importance of the ratio of P3HT versus PCBM in correlation with the regioregularity of P3HT on the optical properties, charge transport and characteristics of photovoltaic cells. CONCLUSION: We have investigated the dependence of the photovoltaic properties of P3HT/PCBM blend-based photovoltaic devices on the degree of regioregularity of P3HT. We find that the best performance is exhibited by devices based on highly regioregular P3HT. Also, the best performances are not obtained for the same P3HT:PCBM weight ratios for high-regioregular P3HT (1:0.8) and low-regioregular P3HT (1:3). (c) 2007 Society of Chemical Industry.
dc.language.isoen
dc.publisherWiley
dc.subject.enorganic field-effect t
dc.subject.enPCBM
dc.subject.enorganic photovoltaic cells
dc.subject.enpoly(3-hexylthiophene) (P3HT)
dc.title.enEffect of the regioregularity of poly(3-hexylthiophene) on the performance of organic photovoltic devices
dc.typeArticle de revue
dc.identifier.doi10.1002/pi.2407
dc.subject.halChimie/Polymères
bordeaux.journalPolymer International
bordeaux.page764-769
bordeaux.volume57
bordeaux.hal.laboratoriesLaboratoire de Chimie des Polymères Organiques (LCPO) - UMR 5629*
bordeaux.issue5
bordeaux.institutionBordeaux INP
bordeaux.institutionUniversité de Bordeaux
bordeaux.peerReviewedoui
hal.identifierhal-00340364
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00340364v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Polymer%20International&rft.date=2008&rft.volume=57&rft.issue=5&rft.spage=764-769&rft.epage=764-769&rft.eissn=0959-8103&rft.issn=0959-8103&rft.au=URIEN,%20Mathieu&BAILLY,%20Lo%C3%AFc&VIGNAU,%20Laurence&CLOUTET,%20Eric&DE%20CUENDIAS,%20Anne&rft.genre=article


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