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Ambipolar Blends of Cu-Phthalocyanine and Fullerene: Charge Carrier Mobility, Electronic Structure and their Implications for Solar Cell Applications

W. Brütting, M. Bronner, M. Götzenbrugger, A. Opitz

erschienen 2008 Macromol. Symp. 268, 38–42 (2008)
[DOI link] [PDF]
DOI: 10.1002/masy.200850808


Summary: Ambipolar transport has been realised in blends of the molecular hole conductor Cu-phthalocyanine (CuPc) and the electron conducting fullerene C60. Charge carrier mobilities and the occupied electronic levels have been analyzed as a function of the mixing ratio using field-effect transistor measurements and photoelectron spectroscopy. These results are discussed in the context of photovoltaic cells based on these materials.