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Phase separation-driven stratification in conventional and inverted P3HT:PCBM organic solar cells

dc.rights.licenseopen
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.authorPAVLOPOULOU, Eleni
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.authorFLEURY, Guillaume
hal.structure.identifierLaboratoire de Chimie des Polymères Organiques [LCPO]
dc.contributor.authorDERIBEW, Dargie Hailu
hal.structure.identifierLaboratoire Léon Brillouin [LLB - UMR 12]
dc.contributor.authorCOUSIN, Fabrice
hal.structure.identifierDepartment of Physics and Astronomy [Sheffield]
dc.contributor.authorGEOGHEGAN, Mark
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.authorHADZIIOANNOU, Georges
dc.date.accessioned2020
dc.date.available2020
dc.date.issued2013
dc.identifier.issn1566-1199
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/20401
dc.description.abstractEnWe have used neutron reflectivity to investigate the stratification of poly(3-hexylthiophene) (P3HT) and phenyl-C-61-butyric acid methyl ester (PCBM) blend films. Films were spun-cast on poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT:PSS) and titanium oxide (TiOx) layers to mimic the procedures followed for the fabrication of conventional and inverted organic photovoltaics respectively. The resultant scattering length density profiles reveal a PCBM-rich layer is formed in the vicinity of PEDOT: PSS or TiOx, while PCBM is depleted at the free surface of the film. PCBM segregation close to the substrate is further enhanced by annealing. This stratification is considered to be favorable only for inverted devices. (C) 2013 Elsevier B. V. All rights reserved.
dc.language.isoen
dc.publisherElsevier
dc.subject.enNeutron reflectivity
dc.subject.enOrganic photovoltaics
dc.subject.enActive layer morphology
dc.subject.enVertical phase separation
dc.title.enPhase separation-driven stratification in conventional and inverted P3HT:PCBM organic solar cells
dc.typeArticle de revue
dc.identifier.doi10.1016/j.orgel.2013.02.020
dc.subject.halChimie/Polymères
bordeaux.journalOrganic Electronics
bordeaux.page1249-1254
bordeaux.volume14
bordeaux.hal.laboratoriesLaboratoire de Chimie des Polymères Organiques (LCPO) - UMR 5629*
bordeaux.issue5
bordeaux.institutionBordeaux INP
bordeaux.institutionUniversité de Bordeaux
bordeaux.peerReviewedoui
hal.identifierhal-00926295
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00926295v1
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