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Title: 
Synthesis of a fluorene and quinoxaline-based co-polymer for organic electronics
Authors: 
Marco, Sigl
Thomas, Rath
Bettina, Schlemmer
Issue Date: 
2023
Publisher: 
Springer
Abstract: 
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-9H-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.
Description: 
CC BY
URI: 
https://link.springer.com/article/10.1007/s00706-022-03030-7
https://dlib.phenikaa-uni.edu.vn/handle/PNK/8121
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