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Citation: ZHANG Wei-Guo, YAO Su-Wei, ZHAO Zhuan-Qing, GONG Zheng-Lie. Electrodeposition of Nanocrystal Ni-W-P Alloy on p-Si Electrode and Its Hydrogen Evolution Under Illumination[J]. Chinese Journal of Applied Chemistry, ;2001, 18(10): 790-793. shu

Electrodeposition of Nanocrystal Ni-W-P Alloy on p-Si Electrode and Its Hydrogen Evolution Under Illumination

1.
a School of Chemical Engineering, Tianjin University, Tianjin 300072;
2.
b Tianjin Institute of Technology, Tianjin

Received Date: 14 November 2000
Available Online: 9 July 2001
Fund Project: 国家自然科学基金资助项目(69878021) (69878021)

The nanocrystal Ni-W-P/p-Si electrodes with high catalytic activity for hydrogen evolution were prepared by electrodeposition of Ni-W-P alloy on p-Si. The effects of electroplating conditions on the catalytic activity of electrodes have been investigated, and the surface morphology and structure of the electrodes were investigated by SEM and X-ray diffraction. The result showed that the structure of Ni-W-P alloy deposit changes from crystal to amorphous state with the increase of pH and temperature of electroplating solution. The nanocrystal Ni-W-P alloy was obtained at electroplating conditions of 50℃, pH=6 and current density 15 A/dm². The catalytic activity of the electrode for hydrogen evolution under illumination was studied.
- semiconductor,
- nanocrystal Ni-W-P alloy,
- hydrogen evolution
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