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Two new N-functionalized pyrrole-based organic dyes were designed and synthesized for dye-sensitized solar cells. In addition to the normal acceptor of cyanoacetic acid moieties, another electron-withdrawing group, pentafluorophenyl or cyanophenyl one, was linked to the nitrogen atom of the pyrrole ring, with the aim to both suppress the aggregation of the dyes on the TiO 2 surface and expand...
Two organic sensitizers (LI-40 and LI-41) containing 6,7-bis(hexyloxy)-2,3-dimethylquinoxaline unit and thiophene or furan as conjugated bridge were synthesized and utilized for dye-sensitized solar cells (DSSCs). The incorporation of quinoxaline unit brought about impressive changes in absorption spectra and energy levels, thus, enhanced the light-harvesting for photovoltaic conversion and facilitated...
In this paper, tetraphenylethylene (TPE) units, one of the typical aggregation-induced emission (AIE) moieties, are utilized to construct a new functional polyfluorene (PF) P1, which exhibited the exciting property of the aggregation-induced emission enhancement (AIEE), instead of the aggregation-caused quenching (ACQ) of normal PFs, and could probe the explosive with high sensitivity both in the...
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