Spatially resolved chiroptical study of thin films ofbenzo[1,2-b:4,5-b’]dithiophene-based oligothiophenes bysynchrotron radiation electronic circular dichroism imaging(SR-ECDi) technique

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dc.contributor.authorAlbano, Gianluigi
dc.contributor.authorGórecki, Marcin
dc.contributor.authorJávorfi, Tamás
dc.contributor.authorHussain, Rohanah
dc.contributor.authorSiligardi, Giuliano
dc.contributor.authorPescitelli, Gennaro
dc.contributor.authorDi Bari, Lorenzo
dc.contributor.organizationDipartimento di Chimica e Chimica Industriale,Università di Pisaen
dc.contributor.organizationInstitute of Organic Chemistry, Polish Academy of Sciencesen
dc.contributor.organizationDiamond Light Source, Ltd., Chilton, UKen
dc.date.accessioned2022-09-06T12:26:51Z
dc.date.available2022-09-06T12:26:51Z
dc.date.issued2022
dc.description.abstractThe study of the chiroptical properties of thin-film samples of two chiral benzo[1,2-b:4,5-b’]dithiophene-based oligothiophenes with optoelectronic properties was car-ried out at Diamond B23 beamline using the synchrotron radiation electronic cir-cular dichroism imaging (SR-ECDi) facility. The experimental results support thehypothesis that the non-reciprocal circularly polarized absorption observed in thesematerials is due to the combined linear dichroism and linear birefringence contribu-tions. The mapping at 50-μm spatial resolution revealed that several species coexistin the mesoscopic chiral domains likely due to different aggregated phases, whichwere identified in the films by SR-ECDibut could not be detected with benchtopECD instruments.en
dc.description.sponsorshipDiamond Light Source B23 beamline for SRCD (SM17621) Polish National Agency for Academic Exchange (Bekker Program) Ministero per l'Università e la Ricerca project 20172M3K5N
dc.identifier.citationG. Albano, M. Górecki, T. Jávorfi, R. Hussain, G. Siligardi, G. Pescitelli, L. Di Bari. Aggregate 2022, e193. https://doi.org/10.1002/agt2.193en
dc.identifier.doi10.1002/agt2.193
dc.identifier.issn2692-4560
dc.identifier.urihttps://open.icm.edu.pl/handle/123456789/21602
dc.language.isoen
dc.publisherWileyen
dc.rightsUznanie autorstwa 4.0 Międzynarodowe*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectcircular dichroism imagingen
dc.subjectoligothiophenesen
dc.subjectsynchrotron radiationen
dc.subjectthin filmsen
dc.titleSpatially resolved chiroptical study of thin films ofbenzo[1,2-b:4,5-b’]dithiophene-based oligothiophenes bysynchrotron radiation electronic circular dichroism imaging(SR-ECDi) techniqueen
dc.typearticleen
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