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DS: Fachverband Dünne Schichten

DS 29: Poster: Molecular Spintronics, Biomolecular and Functional Organic Layers, Organic Electronics and Photovoltaics, Plasmonics and Nanophotonics, Organic Thin Films, Nanoengineered Thin Films, Thin Film Characterisation,

DS 29.30: Poster

Mittwoch, 24. März 2010, 15:00–17:30, Poster A

In-situ Characterization of Evaporated Organic Bulk Heterojunctions During Their Film Growth — •Max Beu, André Dragässer, Christopher Keil, and Derck Schlettwein — Institute of Applied Physics, Justus-Liebig-University Giessen, Germany. email:schlettwein@uni-giessen.de

Vapor deposited heterojunction thin films of C60 and CuPc in the low nanometer range on glass substrates were studied in-situ by measuring their thickness-dependent current-voltage characteristics at various illumination wavelengths and light intensities. The film growth was investigated under the influence of different substrate temperatures, polarizing voltages and illumination conditions. Consequences for the photoconductivity of the composites were determined. Charge transfer among the constituents is discussed as a basis for their use as photovoltaic junction materials.

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DPG-Physik > DPG-Verhandlungen > 2010 > Regensburg