Spectromicroscopic Characterisation of All Polymer Transistor Structures

  • In order to optimize organic field effect transistors, the characterization of surfaces in terms of their roughness or chemical composition is very important. We report on high resolution spectromicroscopic mapping of organic thin film transistors by photoemission electron microscopy (PEEM). It was shown that PEEM is a useful technique to characterize the surface morphology (roughness), the chemical homogeneity or the composition of structures in between the source and drain electrodes. Mapping of surface potentials, especially at the interface electrode/channel is possible. We compare different preparation methods and the characterization at applied voltages is also shown. The transistors itself were prepared by a new low cost method. The electrodes for source and drain have been prepared by a plotting method with colloidal graphite or carbon black as the conducting material. P3HT was used as active layer and has been prepared by spin coating.

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Metadaten
Author: Klaus Müller, Yevgen Burkov, Dieter SchmeißerORCiD
URL:http://www.dpg-verhandlungen.de/year/2004/conference/regensburg/part/syoh/session/5/contribution/74?lang=de
Title of the source (German):Verhandlungen der Deutschen Physikalischen Gesellschaft
Publisher:Deutsche Physikalische Gesellschaft
Place of publication:Bad Honnef
Document Type:Conference Proceeding
Language:English
Year of publication:2004
Tag:organic field effect transistor; photoemission electron microscopy (PEEM)
Series ; volume number:Verhandlungen der Deutschen Physikalischen Gesellschaft ; Reihe 6, Band 39
Faculty/Chair:Fakultät 1 MINT - Mathematik, Informatik, Physik, Elektro- und Informationstechnik / FG Angewandte Physik und Halbleiterspektroskopie
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