The role of front and back electrodes in parasitic absorption in thin-film solar cells Mathieu Boccard, Peter Cuony, Simon Hänni, Michael Stuckelberger, Franz-Josef Haug, Fanny Meillaud, Matthieu Despeisse and Christophe Ballif EPJ Photovolt., 5 (2014) 50601 Published online: 16 July 2014 DOI: 10.1051/epjpv/2014006