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Organic Donor-Acceptor Thin Film Systems: An Integrative Approach

Autor Kerstin Keller
en Limba Engleză Paperback – 28 feb 2010
In this work the preparation of organic donor- acceptor thin films via physical vapor deposition is studied in theory and experiment. A chamber for organic molecular beam deposition was designed and integrated into an existing deposition system. Additionally, a load-lock, a chamber to prepare metallic contacts via stencil mask technique and a sputtering chamber were built. For the sublimation of organic compounds several effusion cells were constructed and the evaporation characteristics were compared to a simulation. The developed simulation program calculates the respective evaporation characteristics. It contains evaporation of particles, migration, and collisions in the gas phase. For the preparation and characterization of organic thin films it was focused on the charge transfer salt (BEDT-TTF)(TCNQ). Thin films were prepared by co-evaporation and studied with optical microscopy, X-ray diffraction and energy dispersive X-ray spectroscopy (EDX). The formation of the monoclinic phase of (BEDT-TTF)(TCNQ) could be shown. As a last part complete devices (tunnel structures) were prepared and measured in a He4 cryostat.
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Specificații

ISBN-13: 9783838113685
ISBN-10: 3838113683
Pagini: 148
Dimensiuni: 152 x 229 x 9 mm
Greutate: 0.23 kg
Editura: Sudwestdeutscher Verlag Fur Hochschulschrifte