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New branched benzothiadiazole-cored conjugated oligomers with terminal carbazoles 1 and 2 have been synthesized. It was found that no obvious shifts of the maximal absorption bands for 1 and 2 were detected in the films compared with those in solutions, indicating weak π-π stacking occurred in the solid states on account of site isolation effect of the branched architectures. Hence, the synthesized...
New phenanthroimidazole derivatives PSC, PDC, PCC and PPP bearing terminal carbazole or pyrene unit have been synthesized. They exhibited excellent solubility in common organic solvents. It was found that the obtained phenanthroimidazole derivatives could emit strong fluorescence in cyclohexane, and the fluorescence quantum yields of the phenanthroimidazole derivatives were in the range of 0.49–0...
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