Regensburg 2007 – scientific programme
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SYOE: Symposium Organic Thin Film Electronics: From Molecular Contacts to Devices
SYOE 8: Poster Session SYOE
SYOE 8.47: Poster
Tuesday, March 27, 2007, 18:00–20:00, Poster B
Novel Fullerene Derivatives for Polymer Solar Cells — •Joachim A. Renz1, Julia M. Mayorova2, Pavel A. Troshin2, Svetlana M. Peregudova3, Alexander S. Peregudov3, Rimma N. Lyubovskaya2, Gerhard Gobsch1, and Harald Hoppe1 — 1Institute of Physics, Ilmenau Technical University, Weimarer Str. 32, 98693 Ilmenau, Germany — 2Institute of Problems of Chemical Physics of RAS, Semenov pr. 1, Chernogolovka, Moscow Region, 142432, Russia — 3A. N. Nesmeyanov Institute of Organoelement Compounds of RAS, Vavylova St. 28, B-334, Moscow, 119991, Russia
Several novel methanofullerenes have been synthesized. The molecular structures of these new C60 derivatives resemble closely the structure of the up to date most successful fullerene, [6,6]-phenyl C61-butyric acid methyl ester (PCBM), which is applied in organic solar cells for more than 10 years. Polymer solar cells were produced by blending these novel fullerenes or PCBM with poly[3-hexylthiophene] (P3HT) in bulk heterojunctions and characterized by standard methods like current-voltage characteristics and spectral photocurrent.