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用Pt、Ni或Pt/Ni金属膜修饰n~+/n-Si半导体表面后作为光阳极,在Fe(CN)_6~3-/4-溶液中组成光电化学电池,在最佳操作条件和65mW/cm~2光强时转换效率为7.4％。研究了金属膜的厚度对电池性能的影响。对半导体电极表面进行了X-光电子能谱分析。
After the surface of n ~ + / n-Si semiconductor was modified by Pt, Ni or Pt / Ni metal film as photoanode, photoelectrochemical cells were formed in Fe (CN) _6 ~ 3- / 4- solution. Under the optimal operating conditions and The conversion efficiency of 65mW / cm ~ 2 was 7.4%. The effect of the thickness of the metal film on the performance of the battery was investigated. The surface of the semiconductor electrode was analyzed by X-ray photoelectron spectroscopy.