Wu, WeiliangLin, WenjieZhong, SihuaPaviet-Salomon, BertrandDespeisse, MatthieuJeangros, QuentinLiang, ZongcunBoccard, MathieuShen, HuiBallif, Christophe2020-01-102020-01-102020-01-102020-01-0310.1002/pssr.201900688https://infoscience.epfl.ch/handle/20.500.14299/164509Dopant‐free back contacted silicon solar cells with an efficiency of 22.1%text::journal::journal article::research article