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X-ray Structural Investigation of Nonsymmetrically and Symmetrically Alkylated [1]Benzothieno[3,2-b]benzothiophene Derivatives in Bulk and Thin Films.

hal.structure.identifierDépartement de Physique [Bruxelles] [ULB]
dc.contributor.authorGBABODE, Gabin
hal.structure.identifierInstitute of Solid State Physics [Graz] [ISSP]
dc.contributor.authorDOHR, Michael
hal.structure.identifierLaboratoire de Chimie des Polymères (ULB)
dc.contributor.authorNIEBEL, Claude
hal.structure.identifierLaboratoire de Chimie des Polymères (ULB)
dc.contributor.authorBALANDIER, Jean-Yves
hal.structure.identifierLaboratoire de Chimie des Polymères (ULB)
dc.contributor.authorRUZIÉ, Christian
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorNÉGRIER, Philippe
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorMONDIEIG, Denise
hal.structure.identifierLaboratoire de Chimie des Polymères (ULB)
dc.contributor.authorGEERTS, Yves H
hal.structure.identifierInstitute of Solid State Physics [Graz] [ISSP]
dc.contributor.authorRESEL, Roland
hal.structure.identifierDépartement de Physique [Bruxelles] [ULB]
dc.contributor.authorSFERRAZZA, Michele
dc.date.created2014-03-13
dc.date.issued2014
dc.identifier.issn1944-8244
dc.description.abstractEnA detailed structural study of the bulk and thin film phases observed for two potential high-performance organic semiconductors has been carried out. The molecules are based on [1]benzothieno[3,2-b]benzothiophene (BTBT) as conjugated core and octyl side groups, which are anchored either symmetrically at both sides of the BTBT core (C8-BTBT-C8) or nonsymmetrically at one side only (C8-BTBT). Thin films of different thickness (8-85 nm) have been prepared by spin-coating for both systems and analyzed by combining specular and grazing incidence X-ray diffraction. In the case of C8-BTBT-C8, the known crystal structure obtained from single-crystal investigations is observed within all thin films, down to a film thickness of 9 nm. In the case of C8-BTBT, the crystal structure of the bulk phase has been determined from X-ray powder diffraction data with a consistent matching of experimental and calculated X-ray diffraction patterns (Rwp = 5.8%). The packing arrangement of C8-BTBT is similar to that of C8-BTBT-C8, that is, consisting of a lamellar structure with molecules arranged in a "herringbone" fashion, yet with lamellae composed of two head-to-head (or tail-to-tail as the structure is periodic) superimposed molecules instead of only one molecule for C8-BTBT-C8. As for C8-BTBT-C8, we demonstrate that the same phase is observed in bulk and thin films for C8-BTBT whatever the film thickness investigated.
dc.language.isoen
dc.publisherWashington, D.C. : American Chemical Society
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/
dc.subject.enpolymorphism
dc.subject.ensubstrate-induced phase
dc.subject.enorganic electronics
dc.subject.enX-ray diffraction
dc.subject.enorganic thin films
dc.subject.enX ray diffraction
dc.subject.ensubstrate induced phase
dc.title.enX-ray Structural Investigation of Nonsymmetrically and Symmetrically Alkylated [1]Benzothieno[3,2-b]benzothiophene Derivatives in Bulk and Thin Films.
dc.typeArticle de revue
dc.identifier.doi10.1021/am5015315
dc.subject.halChimie/Cristallographie
bordeaux.journalACS Applied Materials & Interfaces
bordeaux.page13413-21
bordeaux.volume6
bordeaux.issue16
bordeaux.peerReviewedoui
hal.identifierhal-01071834
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01071834v1
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