Regenerative PbS and CdS quantum dot sensitized solar cells with a cobalt complex as hole mediator.

@article{Lee2009RegenerativePA,
  title={Regenerative PbS and CdS quantum dot sensitized solar cells with a cobalt complex as hole mediator.},
  author={Hyo Joong Lee and Peter Chen and Soo-Jin Moon and Fr{\'e}d{\'e}ric Sauvage and Kevin Sivula and Takeru Bessho and Daniel R Gamelin and Pascal Comte and Shaik Mohammed Zakeeruddin and Sang Il Seok and Michael Graetzel and Mohammad Khaja Nazeeruddin},
  journal={Langmuir : the ACS journal of surfaces and colloids},
  year={2009},
  volume={25 13},
  pages={7602-8}
}
Metal sulfide (PbS and CdS) quantum dots (QDs) were prepared over mesoporous TiO2 films by improved successive ionic layer adsorption and reaction (SILAR) processes. The as-prepared QD-sensitized electrodes were combined with a cobalt complex redox couple [Co(o-phen)3]2+/3+ to make a regenerative liquid-type photovoltaic cell. The optimized PbS QD-sensitized solar cells exhibited promising incident photon-to-current conversion efficiency (IPCE) of over 50% and an overall conversion efficiency… CONTINUE READING
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