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用喷雾法制备了 Sn O2 ∶ F膜光透电极 ,其在可见光区的透光率与导电性能等均符合光谱电化学研究的要求 ,并且具有较宽的电位适用范围和较好的化学稳定性。用光谱恒电位技术和循环伏安法测定了铁氰化钾 /亚铁氰化钾体系的克式量电位 E0 ′和电子转移数 n,获得了较好的重现性。
The SnO2: F film electrode was prepared by the spray method. Its transmittance and conductivity in the visible light region all meet the requirements of spectroscopic electrochemical studies, and have a wide potential range and good chemical stability . Spectral potentiostatic technique and cyclic voltammetry were used to determine the gram-type potential E0 ’and the electron transfer number n of the potassium ferricyanide / potassium ferrocyanide system, and good reproducibility was obtained.