Overview and loss analysis of III–V single-junction and multi-junction solar cells Masafumi Yamaguchi, Frank Dimroth, Nicholas J. Ekins-Daukes, Nobuaki Kojima and Yoshio Ohshita EPJ Photovolt., 13 (2022) 22 Published online: 14 October 2022 DOI: 10.1051/epjpv/2022020