Thin film solar cells using impure polycrystalline silicon M. Rodot, M. Barbe, J.E. Bouree, V. Perraki, G. Revel, R. Kishore, J.L. Pastol, R. Mertens, M. Caymax et M. Eyckmans Rev. Phys. Appl. (Paris), 22 7 (1987) 687-694 DOI: 10.1051/rphysap:01987002207068700