沸石
支化(高分子化学)
多孔性
材料科学
化学工程
过滤(数学)
纳米技术
化学
催化作用
复合材料
有机化学
数学
工程类
统计
作者
X. Zhang,Dongxia X Liu,Dandan Xu,Shunsuke Asahina,Katie A. Cychosz,Kumar Varoon Agrawal,Yasser Al Wahedi,Aditya Bhan,Saleh Al Hashimi,Osamu Terasaki,Matthias Thommes
出处
期刊:Science
[American Association for the Advancement of Science (AAAS)]
日期:2012-06-29
卷期号:336 (6089): 1684-1687
被引量:658
标识
DOI:10.1126/science.1221111
摘要
Go with the Flow Effective absorption or filtration can be achieved by having a material with multiple levels of porosity, so that the main flow can occur in the larger channels, while smaller passageways can be used to sequester a secondary material. It can be difficult to make these materials because the pores need to be different sizes, but still fully connected to each other. Zhang et al. (p. 1684 ) show that a hierarchical zeolite can be made through a simple process using a single structure-directing agent that causes repetitive branching. This leads to a material with improved transport and catalytic properties.
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