Size effect on SBA-15 microporosity

被引：39
作者：
Vradman, Leonid
Titelman, Leonid
Herskowitz, Moti
机构：
[1] Sami Shamoon Coll Engn, Dept Chem Engn, IL-84100 Beer Sheva, Israel
[2] Ben Gurion Univ Negev, Dept Chem Engn, Blechner Ctr Ind Catalysis & Proc Dev, IL-84105 Beer Sheva, Israel
来源：
MICROPOROUS AND MESOPOROUS MATERIALS | 2006年 / 93卷 / 1-3期
关键词：
microporosity; SBA-15; size effect; ORDERED MESOPOROUS SILICA; MOLECULAR-SIEVES; CARBON; TEMPERATURE; PERFORMANCE; ADSORPTION;
D O I：
10.1016/j.micromeso.2006.03.014
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The experimental published data on SBA-15 microporosity was interpreted using a size effect approach. This approach regards the wall micropores of SBA-15 material as stress-induced defects in its pores walls. It was shown that the microporosity is the function of the ratio of the pore wall thickness to pore diameter-the characteristic parameter representing the size of nanotubular silica pores. This suggests that the size effect plays an important role in the microporosity formation and supplements the template-induced microporosity related to the partial occlusion of the PEO chains in silica matrix. (c) 2006 Elsevier Inc. All rights reserved.
引用
收藏
页码：313 / 317
页数：5
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