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Synthesis of a fluorene and quinoxaline-based co-polymer for organic electronics
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Synthesis of a fluorene and quinoxaline-based co-polymer for organic electronics
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Synthesis of a fluorene and quinoxaline-based co-polymer for organic electronics
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Journal Article
Synthesis of a fluorene and quinoxaline-based co-polymer for organic electronics
2023
Overview
Quinoxaline has recently gained interest as monomer in conjugated copolymers because of its easy synthetic accessibility and successful use in highly efficient organic solar cells. In this contribution, we introduce a quinoxaline–fluorene-co-polymer, PFQ10, synthesized by copolymerization of 5,8-dibromo-6,7-difluoro-2-[(2-hexyldecyl)oxy]quinoxaline and 9,9-dioctyl-9
H
-9-fluorene-2,7-bis(boronic acid pinacol ester) using the Suzuki–Miyaura reaction. By optimization of the reaction conditions, polymers with molecular weights up to 17.2 kDa and a low dispersity of 1.3 were obtained. PFQ10 showed blue photoluminescence with an emission maximum at 459 nm and a relative fluorescence quantum yield of 0.37. As proof of principle, PFQ10 was employed in organic light-emitting diodes and showed a blue–green electroluminescence.
Graphical abstract
Publisher
Springer Vienna,Springer Nature B.V
