Hydrogenation of sputtered ZnO:Al layers for double side poly-Si/SiOx solar cells Charles Seron, Thibaut Desrues, Frédéric Jay, Adeline Lanterne, Frank Torregrosa, Gaël Borvon, Quentin Rafhay, Anne Kaminski and Sébastien Dubois EPJ Photovolt., 13 (2022) 8 Published online: 22 April 2022 DOI: 10.1051/epjpv/2022005