1 December 1983 Structural And Electronic Properties Of Anodes In Photoelectrolytical Cells
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Abstract
The physical properties of TiO2 rutile n-type semiconductor as anode in photoelectrolytical cells have been widely investigated from many authors in order to explain the exhibited photoresponces. In this paper the attention is focused in particular to characterize by backscattering,PIXE (proton induced X-rays emission) ad X-rays diffraction analysis titanium surfaces oxidized at different temperatures in oxygen flux. Using a Schottky barrier model for the surface of the semiconductor in contact with the electrolyte the meaningful physical quantities like minority carrier diffusion length, barrier width and the quantum efficiency of cells result strongly dependent on oxidation temperature of the TiO2 electrode. The behaviour of these quantities is interpreted in terms of structural properties of anode, analyzed with the above mentioned methods. The possibility of application of a thin film in quantum size effects regime on the semi-conducting electrode in photoelectrolytical cells, is discussed.
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N. A. Mancini, A. Pennisi, F. Simone, "Structural And Electronic Properties Of Anodes In Photoelectrolytical Cells", Proc. SPIE 0428, Optical Materials and Process Technology for Energy Efficiency and Solar Applications, (1 December 1983); doi: 10.1117/12.936303; https://doi.org/10.1117/12.936303
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