Effect of thermal annealing in vacuum on the photovoltaic properties of electrodeposited Cu2O-absorber solar cell T. Dimopoulos, A. Peić, S. Abermann, M. Postl, E. J.W. List-Kratochvil and R. Resel EPJ Photovolt., 5 (2014) 50301 Published online: 07 July 2014 DOI: 10.1051/epjpv/2014005