Ultrafast relaxation dynamics in a polymer: fullerene blend for organic photovoltaics probed by two-dimensional electronic spectroscopy

@article{Sio2018UltrafastRD,
  title={Ultrafast relaxation dynamics in a polymer: fullerene blend for organic photovoltaics probed by two-dimensional electronic spectroscopy},
  author={Antonietta De Sio and Franco V A Camargo and Katrin Winte and Ephraim Sommer and Federico Branchi and Giulio Cerullo and Christoph Lienau},
  journal={The European Physical Journal B},
  year={2018},
  volume={91},
  pages={1-10}
}
Abstract Ultrafast charge transfer from a photoexcited donor to an acceptor moiety is at the heart of the energy conversion in organic photovoltaics (OPVs). Efficient charge transfer on ultrafast, sub-100-fs timescales has been reported in many OPV materials. Yet at present, the elementary mechanisms underlying this process in OPV materials, in particular the role of coupled electronic and nuclear motion for the transfer dynamics and yield, are still unclear. Here, we use ultrafast two… CONTINUE READING
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