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Dresden 2011 – scientific programme

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DS: Fachverband Dünne Schichten

DS 42: Poster I: Progress in Micro- and Nanopatterning: Techniques and Applications (jointly with O); Spins in Organic Materials; Ion Interactions with Nano Scale Materials; Organic Electronics and Photovoltaics; Plasmonics and Nanophotonics (jointly with HL and O); High-k and Low-k Dielectrics (jointly with DF); Organic Thin Films; Nanoengineered Thin Films; Layer Deposition Processes; Layer Properties: Electrical, Optical, and Mechanical Properties; Thin Film Characterisation: Structure Analysis and Composition; Application of Thin Films

DS 42.41: Poster

Wednesday, March 16, 2011, 15:00–17:30, P1

Structural and Vibrational Properties of C60 Fullerene Thin Films on Gold Surfaces — •Caroline Henneke, Philip Schulz, Tobias Schäfer, and Matthias Wuttig — I. Physikalisches Institut (IA), RWTH Aachen University, Germany

The fullerene C60 is a widely employed acceptor material for organic solar cells. By tailoring the structure of C60 thin films and thus tuning their properties the efficiency of C60-based solar cells can be improved. However, it remains a main challenge to determine the correlation between the structure of C60 thin films and their optoelectronic properties.
Here, the influence of substrate temperature during deposition in a vacuum thermal evaporation process (VTE) on the structure and vibrational properties of C60 thin films on Au surfaces is investigated. Substrate temperatures ranging from 150 K to 700 K were applied in this study. XRD measurements were conducted to identify structural changes in the C60 thin films, while the surface morphology was determined by AFM measurements. The vibrational characteristics of the C60 thin films were investigated by Fourier-Transform Infrared spectroscopy (FTIR).

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