Ruiyuan Liu, Masahito Takakuwa, Ailong Li, Daishi Inoue, Daisuke Hashizume, Kilho Yu, Shinjiro Umezu, Kenjiro Fukuda, Takao Someya, "An Efficient Ultra‐Flexible Photo‐Charging System Integrating Organic Photovoltaics and Supercapacitors",Advanced Energy Materials, Volume10, Issue20, DOI.org/10.1002/aenm.2020700902020.05.26