物理化学学报 >> 1991, Vol. 7 >> Issue (02): 202-206.doi: 10.3866/PKU.WHXB19910214

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表面分散过程的分形研究

郭国霖; 陈月华; 唐有祺   

  1. 北京大学化学系，物理化学研究所，北京 100871
  • 收稿日期:1989-08-15 修回日期:1990-03-13 发布日期:1991-04-15
  • 通讯作者: 郭国霖

A Fractal Study on the Dspersing Processes on the Surface

Guo Guo-Lin; Chen Yue-Hua; Tang You-Qi   

  1. Institute of Physical Chemistry, Peking University, Beijing 100871
  • Received:1989-08-15 Revised:1990-03-13 Published:1991-04-15
  • Contact: Guo Guo-Lin

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关键词: 表面分散, 分形, 分维

Abstract: The concept of fractal was applied to interpret the surface of porous solids and the processes proceeded on them. The fractal dimensions were determined from the saturation coverage with different adsorbates.The number of molecules reaching mon olayer coverage scale down with increasing σ as
N～σ~(-D/2)
where σ is the cross section of the probe molecule.
As the porous materials (such as porous silica gel, alumina) were mixed with a few of other active components (Zn(Ac)_2, CuCl_2), it is found that the fractal ...

Key words: Dispersion on surface, Fractal, Fractal dimension