Light-harvesting fullerenes for organic solar cells J. Baffreau, S. Leroy-Lhez, H. Derbal, A. R. Inigo, J.-M. Nunzi, M. M. Groeneveld, R. M. Williams and P. Hudhomme Eur. Phys. J. Appl. Phys., 36 3 (2006) 301-305 Published online: 10 January 2007 DOI: 10.1051/epjap:2006147