物理化学学报 >> 1998, Vol. 14 >> Issue (06): 481-484.doi: 10.3866/PKU.WHXB19980601

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平面铂电极上吸附氢原子表面扩散系数的测定

柳文军, 吴秉亮, 查全性, 张红   

  1. 武汉大学化学学院，武汉 430072
  • 收稿日期:1998-02-23 修回日期:1998-04-07 发布日期:1998-06-15
  • 通讯作者: 吴秉亮

Determination of the Surface Diffusion Coefficient of Hydrogen Atom on a Platinum Plane

Liu Wen-Jun, Wu Bing-Liang, Cha Quan-Xing, Zhang Hong   

  1. Department of Chemistry,Wuhan University,Wuhan 430072
  • Received:1998-02-23 Revised:1998-04-07 Published:1998-06-15
  • Contact: Wu Bing-Liang

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关键词: 表面扩散系数, 氢原子, 铂

Abstract:

This Paper describes an experimental method that established a local Pt/Nafion interface on the Platinum Plane, so that the boundary conditions and the initial condition of the (diffusion equation about the diffusion of adsorbed hydrogen atom the platinum plane can be controlled. The average diffusion coefficient of underpotential deposition of hydrogen on a surface of platinum was obained for the first time and D=1.50 ×10-4cm2•s-1.The accuracy of the datum was discussed.

Key words: Surface diffusion coefficient, Hydrogen atom, Platnum