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Dresden 2006 – scientific programme

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CPP: Chemische Physik und Polymerphysik

CPP 23: POSTER Functional Organic Thin Films

CPP 23.4: Poster

Thursday, March 30, 2006, 17:00–19:00, P2

Unit cell and defect densities of pentacene thin films — •Stefan Schiefer, Martin Huth, Bert Nickel, Matthias Fiebig, and Udo Beierlein — Department für Physik & CeNS Ludwig Maximilians Universität München

Organic electronic devices generally employ thin films of a semi conducting material as the active region where charge is carried. So far there is no clear understanding of the charge transport mechanisms in the active region. By getting a better understanding of the structure-function relationship of the semi conducting organic thin film layer we hope to further improve the electron charge mobility.

We grew thin films of pentacene on SiO2 in UHV and performed in situ x-ray diffraction experiments at the synchrotron source at HASY-Lab, Hamburg. By simulating and analysing the data, we were able to determine the unit-cell dimension and the defect densities of a pentacene thin film on SiO2 surfaces.

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