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Citation: Wang Shixun, Li Guozheng, Xu Guoxian. CATALYTIC OXYGEN EVOLUTION AT n⁺/p-Si PHOTOANODE MODIFIED BY DOUBLE METAL FILMS[J]. Acta Physico-Chimica Sinica, ;1985, 1(01): 104-108. doi: 10.3866/PKU.WHXB19850113 shu

CATALYTIC OXYGEN EVOLUTION AT n⁺/p-Si PHOTOANODE MODIFIED BY DOUBLE METAL FILMS

1.
山东大学化学系

Received Date: 16 June 1984
Available Online: 15 February 1985

The modified n~+/p-Si photoanode had been prepared by ion sputtering first with thickness of 4.0 nm platinum and then by electroplating a thin W-Ni alloy film. It was found that when this photoanode was illuminated with anodic bias (at 1.0 V vs. 1N H electrode) under cyclic voltammetric conditions, the photocurrent density might reach 46.4 mA cm~(-2). It was clear that W-Ni film appeared an excellent catalytic action for oxygen evolution. The surface of n~+/p-Si photoanode modified by double metal films had also been studied using methods of scanning electron microscopy and x-ray photoelectron spectro-scopy.
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沈阳化工大学材料科学与工程学院沈阳 110142

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CATALYTIC OXYGEN EVOLUTION AT n+/p-Si PHOTOANODE MODIFIED BY DOUBLE METAL FILMS

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CATALYTIC OXYGEN EVOLUTION AT n⁺/p-Si PHOTOANODE MODIFIED BY DOUBLE METAL FILMS