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Four organic sensitizers containing quinoxaline or benzoxadiazole as an auxiliary electron acceptor in conjugated bridge were synthesized and utilized for dye-sensitized solar cells (DSSCs). It was found that the incorporation of different electron-withdrawing moieties can affect the absorption spectra, electronic properties, the interfacial interactions and then the overall conversion efficiencies...
A new pyrrole-based conjugated oligomer (P1) was obtained with phenyl-linked triphenylamine moieties as an isolation group. Little aggregations were observed whether oligomer P1 was absorbed on titanium dioxide (TiO2) surface or in solid state. Since the pyrrole-based moieties in donor-π-acceptor type was the core component of oligomer P1 for light absorption, the corresponding dye-sensitized solar...
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