The effect of oxygen induced degradation on charge carrier dynamics in P3HT:PCBM and Si-PCPDTBT:PCBM thin films and solar cells - Karuthedath, Safakath; Sauermann, Tobias; Egelhaaf, Hans-Joachim; Wannemacher, Reinhold; Brabec, Christoph J.; Lüer, Larry (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2015)