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J. Solid State Electrochem. 2005 DOI The original publication is available at This preprint was downloaded from Variable Mott-Schottky plots acquisition by potentiodynamic electrochemical impedance spectroscopy Alexander S. Bondarenko and Genady A. Ragoisha * Physico-Chemical Research Institute, Belarusian State University, 220050 Minsk, Belarus Abstract Potentiodynamic electrochemical impedance spectroscopy provides extraction of potential-dependent space charge layer capacitance from potentiodynamic impedance spectra of nonstationary semiconductor-electrolyte interface. The new technique has been applied for acquisition of Mott-Schottky plots of cathodically treated TiO2 anodic films. Cathodic treatment in 1 M H2SO4 increases donor density and flat band potential of TiO2. Freshly doped films show hysteresis in the space charge layer capacitance in cyclic potential scans.
2 Experimental Potentiodynamic electrochemical impedance spectrometer is a computer program that acquires electrochemical …
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