@article{CTT100886029,
  author = {Y. Sakamoto and S. Izawa and H. Ohkita and M. Hiramoto and Y. Tamai},
  title = {Triplet sensitization via charge recombination at organic heterojunction for efficient near-infrared to visible solid-state photon upconversion},
  journal = {Communications Materials},
  year = 2022,
}