1. Department of Materials Science and Solar Energy Research Center MIB-SOLAR, University of Milano-Bicocca, INSTM Milano-Bicocca Research Unit, Via Cozzi 55, I-20125 Milano, Italy
2. Dipartimento di Farmacia-Scienze del Farmaco, Università di Bari “Aldo Moro”, Consorzio C.I.N.M.P.I.S, Via E. Orabona 4, I-70125, Bari, Italy
3. Renewable, New Energy and Material Science Research Center, Istituto Guido Donegani, Eni S.p.A., Via Fauser 4, I-28100, Novara, Italy