Dresden 2011 – wissenschaftliches Programm

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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 42.27: Poster

Mittwoch, 16. März 2011, 15:00–17:30, P1

Charge Transport in Amorphous Oligothiophenes — •Manuel Schrader¹, Björn Baumeier¹, Chris Elschner², Moritz Riede², Karl Leo², and Denis Andrienko¹ — ¹Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany — ²TU Dresden, Institute of Applied Photophysics, Mommsenstr. 13, 01062 Dresden, Germany

Organic semiconducting materials are needed for emerging devices such as photovoltaic solar cells. In this work we combine first principle calculations, molecular dynamics and kinetic Monte Carlo simulations to study charge transport in dicyanovinyl oligothiophenes of different lengths. Poole-Frenkel behavior of the charge carrier mobility is rationalized based on electrostatic and conformational disorder.