The Role of Electron-Donating Subunits in Cross-Linked BODIPY Polymer Films

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dc.contributor.authorÖzdemir, Mücahit
dc.contributor.authorKöksoy, Baybars
dc.contributor.authorYalcin, B.
dc.contributor.authorKoyuncu, Sermet
dc.date.accessioned2026-02-08T15:11:03Z
dc.date.available2026-02-08T15:11:03Z
dc.date.issued2024
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractA new method for synthesizing cross-linked 4,4-difluoro-4-bora-3a,4a-diaza-s-indacenes (BODIPYs) using a radical-based thiol-ene click reaction is developed. This method is simple, efficient, and cost-effective, and it produces polymers with unique optical, electrochemical, and surface morphology properties. Significant blue shifts in absorption and photoinduced electron transfer in emissions are observed in the cross-linked BODIPY thin films. Cross-linking also leads to the restriction of conjugation, which results in the breakage of the terminal vinyl group, an increase in the oxidation potential, and a slight upshift in the HOMO position. As a result, the electrochemical band gap is widened from 1.88 to 1.94 eV for polymer bearing N,N-dimethylamino-BODIPY and from 1.97 to 2.02 eV for polymer bearing N,N-diphenylamino-BODIPY moieties. Monomer thin films form planar surfaces due to crystallinity, while amorphous cross-linked BODIPY polymers form more rough surfaces. Additionally, photopatterning on the film surface is successfully performed using different patterned masks. This new method for synthesizing cross-linked BODIPYs has the potential to be used in a variety of applications, including organic electronics, bioimaging, and photocatalysis. © 2023 The Authors. Macromolecular Rapid Communications published by Wiley-VCH GmbH.
dc.description.sponsorshipMarmara Üniversitesi, (FDK-2022-10521)
dc.identifier.doi10.1002/marc.202300552
dc.identifier.issn1022-1336
dc.identifier.issue4
dc.identifier.pmid37962095
dc.identifier.scopus2-s2.0-85178096135
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1002/marc.202300552
dc.identifier.urihttps://hdl.handle.net/20.500.12885/5201
dc.identifier.volume45
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherJohn Wiley and Sons Inc
dc.relation.ispartofMacromolecular Rapid Communications
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzScopus_KA_20260207
dc.subject4,4-difluoro-4-bora-3a,4a-diaza-s-indacene
dc.subjectelectron donating groups
dc.subjectoptical properties
dc.subjectphotopatterning
dc.subjectsurface morphology
dc.subjectthiol-ene click
dc.titleThe Role of Electron-Donating Subunits in Cross-Linked BODIPY Polymer Films
dc.typeArticle

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