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Side Chain effect on the electrochemical and optical properties of TPD based donor acceptor donor type monomers and polymers

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dc.contributor.authorÇakal, Deniz
dc.contributor.authorDemir Arabacı, Elif
dc.contributor.authorYıldırım, Erol
dc.contributor.authorCihaner, Atilla
dc.contributor.authorÖnal, Ahmet M.
dc.date.accessioned2024-01-16T15:49:19Z
dc.date.available2024-01-16T15:49:19Z
dc.date.issued2023
dc.descriptionPublished by Molecular Systems Design & Engineering; https://doi.org/10.1039/D2ME00148A; Deniz Çakal, Elif Demir Arabacı, Erol Yıldırım, Ahmet M. Önal, Department of Chemistry, Middle East Technical University, Ankara, 06800, Turkey; Atilla Cihaner, Department of Chemical Engineering, Atilim University, Ankara, 06836, Turkey.
dc.description.abstractIn organic π-conjugated materials, side chains play great roles that are far beyond solubility. In this work, we mainly focused on the synthesis of new donor-acceptor-donor (D-A-D) type conjugated monomers and their corresponding polymers appending TPD acceptor with a new side chain, fluorene, to investigate the side chain effect. In this context, to reveal the precise effect of the side chains on the optical and electrochemical properties of the monomers and polymers synthesized in this work, four series of D-A-D monomers, each containing a TPD core unit with a different side chain, have been discussed in comparison to each other. Notably, it was discovered that TPD acceptor unit can be modified by any functional group other than common alkyl chains to impart new functionalities by keeping their superior optoelectronic properties. New kind of side chains can be used to tune the physical characteristics such as solubility, absorption, emission and molecular packing. In this paper, fluorene-appended monomers as a new class of D-A-D type π-conjugated molecules were studied and it was found that E(Fl) and P(Fl) exhibited resonable quantum yields and their corresponding polymers revealed ambipolar character with slightly lower band gap as compared to the previous analougs containing other side chains. Observed experimental results were elucidated by first principle calculations. In this paper, we discussed that using side chain engineering is an effective strategy to improve next-generation organic π-conjugated materials with the desired properties.
dc.description.sponsorship2232 International Fellowship for Outstanding Researchers Program of TÜBİTAK (118C251)
dc.identifier.citationhttp://hdl.handle.net/20.500.14411/1967
dc.identifier.issn2058-9689
dc.identifier.urihttps://doi.org/10.1039/D2ME00148A
dc.language.isoen
dc.publisherMolecular Systems Design and Engineering
dc.relation.ispartofseries8
dc.subjectTPD, Fluorene, side chain engineering, donor-acceptor approach, EDOT, ProDOT, fast switching time.
dc.titleSide Chain effect on the electrochemical and optical properties of TPD based donor acceptor donor type monomers and polymers
dc.title.alternativeSide chain effect on the electrochemical and optical properties of thieno[3,4-c]pyrrole-4,6-dione based donor–acceptor donor type monomers and polymers
dc.typeArticle
dspace.entity.typeArticle

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