@article{CTT100914601,
  author = {Shohei Kumagai and Hiroyuki Ishii and Go Watanabe and Tatsuro Annaka and Eiji Fukuzaki and Yukio Tani and Hiroki Sugiura and Tetsuya Watanabe and Tadanori Kurosawa and Jun Takeya and Toshihiro Okamoto},
  title = {Cooperative Aggregations of Nitrogen-Containing Perylene Diimides Driven by Rigid and Flexible Functional Groups},
  journal = {Chemistry of Materials},
  year = 2020,
}

@article{CTT100914606,
  author = {Toshihiro Okamoto and Shohei Kumagai and Eiji Fukuzaki and Hiroyuki Ishii and Go Watanabe and Naoyuki Niitsu and Tatsuro Annaka and Masakazu Yamagishi and Yukio Tani and Hiroki Sugiura and Tetsuya Watanabe and Shun Watanabe and Jun Takeya},
  title = {Robust, high-performance n-type organic semiconductors},
  journal = {Science Advances},
  year = 2020,
}