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Article Dans Une Revue Polymer Chemistry Année : 2014

Synthesis of squaraine-based alternated π-conjugated copolymers: from conventional cross-coupling reactions to metal-free polycondensation

Résumé

Low band-gap π-conjugated copolymers based on squaraine units alternated with thiophene or benzothiadiazole moieties were synthesized through Suzuki and Stille cross-coupling reactions, and through a metal-free polycondensation process using squaric acid. The metal-free polymerizations afforded higher molecular weights polymers, showing bright future for the synthesis of small band-gap π-conjugated polymers via less cost-effective and more environmental-friendly procedures. Additionally, the synthesized materials showed encouraging optoelectronic properties.
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Dates et versions

hal-02922842 , version 1 (28-08-2020)

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Jules Oriou, Feifei Ng, Georges Hadziioannou, Guillaume Garbay, Mélanie Bousquet, et al.. Synthesis of squaraine-based alternated π-conjugated copolymers: from conventional cross-coupling reactions to metal-free polycondensation. Polymer Chemistry, 2014, 5 (24), pp.7100-7108. ⟨10.1039/C4PY00896K⟩. ⟨hal-02922842⟩

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