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Charge density dependent nongeminate recombination in organic bulk heterojunction solar cells
D. Rauh, C. Deibel, V. Dyakonov
Apparent recombination orders exceeding the value of two expected for bimolecular recombination have been reported for organic solar cells in various publications. Two prominent ex…
Spin Signatures of Photogenerated Radical Anions in Polymer-[70]Fullerene Bulk Heterojunctions: High Frequency Pulsed EPR Spectroscopy
Oleg G. Poluektov, Salvatore Filippone, Nazario Martin +3
Charged polarons in thin films of polymer-fullerene composites are investigated by light-induced electron paramagnetic resonance (EPR) at 9.5 GHz (X-band) and 130 GHz (D-band). The…
Electronic Trap States in Methanofullerenes
Julia Schafferhans, Carsten Deibel, Vladimir Dyakonov
The trap states in three fullerene derivatives, namely PC61BM ([6,6]-phenyl C61 butyric acid methyl ester), bisPC61BM (bis[6,6]-phenyl C61 butyric acid methyl ester) and PC71BM ([6…