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Issue 7, 2020
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Optimized synthesis of fluorinated dithienyl-diketopyrrolopyrroles and new copolymers obtained via direct heteroarylation polymerization

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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 confirms the properties of the fluorine atom in a polymer, activation of the α-position hydrogen on thiophene moieties, decreasing HOMO and LUMO energy, lower bandgaps and modification of the solubility and morphology of the materials.

Graphical abstract: Optimized synthesis of fluorinated dithienyl-diketopyrrolopyrroles and new copolymers obtained via direct heteroarylation polymerization

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Article information


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

Mater. Chem. Front., 2020,4, 2040-2046
Article type
Research Article

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

M. Mamone, T. Bura, S. Brassard, E. Soligo, K. He, Y. Li and M. Leclerc, Mater. Chem. Front., 2020, 4, 2040
DOI: 10.1039/D0QM00218F

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