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Optimized synthesis of fluorinated dithienyl-diketopyrrolopyrroles and new copolymers obtained by direct heteroarylation polymerization

Abstract

Diketopyrrolopyrrole-based (DPP-based) polymers are a very important class of materials for both organic solar cells (OSCs) and organic field-effect transistors (OFETs). Here we report an optimised synthesis of fluorinated dithienyl-diketopyrrolopyrrole (fDT-DPP) and three new highly fluorinated fDT-DPP-based materials obtained from direct heteroarylation polymerization (DHAP). This study clearly indicates the lower HOMO and LUMO energy levels for the resulting fluorinated DPP-based polymeric materials together with good ambipolar properties. However, highly fluorinated polymers show reduced solubility in common organic solvents.

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Supplementary files

Article information


Submitted
06 Apr 2020
Accepted
20 May 2020
First published
21 May 2020

Mater. Chem. Front., 2020, Accepted Manuscript
Article type
Research Article

Optimized synthesis of fluorinated dithienyl-diketopyrrolopyrroles and new copolymers obtained by direct heteroarylation polymerization

M. Mamone, T. Bura, S. Brassard, E. Soligo, K. He, Y. Li and M. Leclerc, Mater. Chem. Front., 2020, Accepted Manuscript , DOI: 10.1039/D0QM00218F

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