The synthesis, photophysical and electrochemical characterization, theoretical calculations and photovoltaic studies of a push-pull dye with an unconventional nonplanar tetrathiahelicene π−spacer between the donor-acceptor groups, are reported. The molecule exhibits suitable HOMO LUMO levels to be used in DSSC. The presence of the donor-acceptor helical architecture allows the internal charge transfer and subsequent electron injection to the conduction band of TiO2 leading to the good photocurrent value of 4.6 mA cm−2.
Dova, D., Cauteruccio, S., Manfredi, N., Prager, S., Dreuw, A., Arnaboldi, S., et al. (2019). An unconventional helical push-pull system for solar cells. DYES AND PIGMENTS, 161, 382-388 [10.1016/j.dyepig.2018.09.050].
An unconventional helical push-pull system for solar cells
Manfredi, N;Abbotto, A
2019
Abstract
The synthesis, photophysical and electrochemical characterization, theoretical calculations and photovoltaic studies of a push-pull dye with an unconventional nonplanar tetrathiahelicene π−spacer between the donor-acceptor groups, are reported. The molecule exhibits suitable HOMO LUMO levels to be used in DSSC. The presence of the donor-acceptor helical architecture allows the internal charge transfer and subsequent electron injection to the conduction band of TiO2 leading to the good photocurrent value of 4.6 mA cm−2.
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