@article{WuerfelNeherSpiesetal.2015,
  author    = {Uli W{\"u}rfel and Dieter Neher and Annika Spies and Steve Albrecht},
  title     = {Impact of charge transport on current-voltage characteristics and power-conversion efficiency of organic solar cells},
  journal   = {Nature Communications},
  volume    = {6},
  doi       = {10.1038/ncomms7951},
  year      = {2015},
}