@article{PerdigonToroLeQuangPhuongZeiskeetal.2021,
  author    = {Lorena Perdig{\´o}n-Toro and Le Quang Phuong and Stefan Zeiske and Koen Vandewal and Ardalan Armin and Safa Shoaee and Dieter Neher},
  title     = {Excitons dominate the emission from PM6},
  journal   = {ACS energy letters / American Chemical Society},
  series    = {Y6 solar cells, but this does not help the open-circuit voltage of the device},
  volume    = {6},
  number    = {2},
  pages     = {557 -- 564},
  doi       = {10.1021/acsenergylett.0c02572},
  year      = {2021},
}