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A series of fluorinated quinoxaline-based polymers with typical donor-π-acceptor configurations has been synthesized by Stille coupling reaction. The electron-donating dialkoxy-substituted benzodithiophene (BDT) is connected to the electron-withdrawing 2,3-diphenylquinoxaline (DPQ) acceptor through a thiophene bridge. To investigate the effect of strong electron-withdrawing moieties, fluorine atoms...
A series of medium band gap conjugated small molecules with a typical D-π-A-π-D structure, in which triphenylamine, thiophene, and benzothiadiazole are used as an electron-donor, a bridge, and an electron-acceptor, respectively, have been synthesized. To investigate the effects of strong electron-withdrawing fluorine atoms on various properties, one and two fluorine substituents are introduced to...
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