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Verhandlungen
Verhandlungen
DPG

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 42.32: Poster

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

Sol-Gel Templated Zinc oxide Films for Solar Cell Application — •Kuhu Sarkar and Peter Müller-Buschbaum — TU München, Physik Department, LS Funkt. Mat., James-Franck-Str. 1, 85748 Garching, Germany

Hybrid solar cells consisting of both the organic and the inorganic semiconductor parts are a potential source for low cost green electricity. The organic conjugated polymer acts as a hole-conducting material while the inorganic oxide as an electron acceptor. The nanostructured morphology of inorganic material in the hybrid solar cells leads to enhanced device performance by increasing the active surface area for interfacial interactions. Among the various inorganic metal oxides, zinc oxide is a promising material for use in hybrid solar cells on account of its high electron mobility, a direct band gap of 3.37 eV at room temperature, large excitons binding energy, excellent chemical and thermal stability, suitable optical properties and environment-friendly behaviour. A sol gel approach based on an amphiphilic diblock copolymer acting as a structure directing agent is used to obtain a ZnO network structure via spin coating. Primary structural investigation of the films is carried out using SEM and AFM.

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