A Quantitative Investigation of the Open‐Circuit Photovoltage at the Semiconductor/Liquid Interface

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Abstract
A preparation procedure for is described which produces electrodes with nearly ideal Mott‐Schottky plots in . The Mott‐Schottky plots are linear and exhibit slopes and intercepts nearly independent of applied frequency from 105 Hz to 50 KHz. Based on Mott‐Schottky intercepts and photocurrent onset potentials, vs. SCE in . Frequency dispersion increases when the electrodes are soaked in , examined in , or used to generate photocurrent in . The origins and possible remedies for frequency dispersion are discussed. The need for statistical analyses of Mott‐Schottky plots over a range of frequencies is emphasized.

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