ITQ-7：一种具有三维大孔道体系的新型纯硅多晶型物。
ITQ-7: A New Pure Silica Polymorph with a Three-Dimensional System of Large Pore Channels.
作者信息
Villaescusa Luis A, Barrett Philip A, Camblor Miguel A
机构信息
Instituto de Tecnología Química (CSIC-UPV), Universidad Politécnica de Valencia, Avda. Los Naranjos s/n, 46022 Valencia (Spain), Fax: (+3496) 3877809.
出版信息
Angew Chem Int Ed Engl. 1999 Jul 12;38(13-14):1997-2000. doi: 10.1002/(SICI)1521-3773(19990712)38:13/14<1997::AID-ANIE1997>3.0.CO;2-U.
A novel topology, consisting of a three-dimensional system of large pore channels, is found for the zeolite ITQ-7 (see picture). This material has been synthesized by combining the structure-directing effects of fluoride ions and a new organic cation purposefully designed to promote the crystallization of a low-density silica phase. ITQ-7 is the least dense crystalline silica phase known so far.
发现了一种由大孔道三维体系组成的新型拓扑结构，用于沸石ITQ - 7（见图）。这种材料是通过结合氟离子的结构导向作用和特意设计的一种新型有机阳离子来促进低密度二氧化硅相的结晶而合成的。ITQ - 7是迄今为止已知的密度最小的结晶二氧化硅相。
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