Minority carrier lifetime enhancement in multicrystalline silicon M. Ben Rabha, S. Belhadj Mohamed, A. Hajjaji, W. Dimassi, M. Hajji, S. Aouida, M. Gaidi, M. Bouaicha and B. Bessais Eur. Phys. J. Appl. Phys., 57 2 (2012) 21302 Published online: 05 January 2012 DOI: 10.1051/epjap/2011110341