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In this study, we used the co-sensitization approach to reach panchromatic light absorption in solid-state dye-sensitized solar cells (SDSCs). We combined two complementary absorbing organic sensitizers, viz. a blue-absorbing triphenyldiamine dye (TPD-dye) and a red-absorbing squaraine dye (SQ-dye). The aggregation behaviour of SQ-dye was entirely investigated by steady-state UV/vis spectroscopy....
Two novel organic dyes containing julolidine as the electron donor and cyanoacetic acid or rhodanine-3-acetic acid as the electron acceptor bridged by bithiophene unit were synthesized. The absorption spectra, electrochemical and photovoltaic properties of the new dyes were extensively investigated. Transient absorption spectra measurements show that both sensitizers are quickly regenerated and the...
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