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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 42.14: Poster

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

Organic-metal oxide hybrid thin film phototransistors — •Stephan Rossbauer¹, Stuart Thomas², Pichaya Pattanasattayavong², Peter Müller-Buschbaum¹, and Thomas D. Anthopoulos² — ¹TU München, Physik Department, LS Funkt. Mat., James-Franck-Str. 1, 85748 Garching, Germany — ²Department of Physics and Centre for Plastic Electronics, Blackett Laboratory, Imperial College London, London SW7 2BW, United Kingdom

Metal oxide semiconductors are an interesting family of materials with great potential for a number of technological applications including transparent electronics, photovoltaics, smart windows and optical displays. This work presents the electronic and morphological effects of light-absorbing organic dyes functionalised directly onto the surface of zinc oxide (ZnO) based transistor channels produced by spray pyrolysis. Dynamic photo response is measured and discussed. The photosensitivity is tunable through the application of the gate voltage. The device produced can be used either as sensing device or as optoelectronic switch.