Long-lived photoinduced charge separation for solar cell applications in phthalocyanine-fulleropyrrolidine dyad thin films - Brabec, Christoph.; Denk, Patrick.; Gouloumis, Andreas.; Hoppe, Harald.; Loi, M. Antonietta.; Meissner, Dieter.; Neugebauer, Helmut.; Sariciftci, N. Serdar.; Torres, Tomas.; Vazquez, Purificacon.; Winder, Christoph.