A bending test protocol for characterizing the mechanical performance of flexible photovoltaics

Kenjiro Fukuda, Lulu Sun, Baocai Du, Masahito Takakuwa, Jiachen Wang, Takao Someya, Lluı́s F. Marsal, Yinhua Zhou, Yiwang Chen, Hongzheng Chen, S. Ravi P. Silva, Derya Baran, Luigi Angelo Castriotta, Thomas M. Brown, Changduk Yang, Weiwei Li, Anita Ho‐Baillie, Thomas Österberg, Nitin P. Padture, Karen Forberich, Christoph J. Brabec, Osbel Almora