Large-cage zeolite structures with multidimensional 12-ring channels

被引：283
|
作者：
Bu, XH
Feng, PY
Stucky, GD
机构：
[1] Department of Chemistry, University of California, Santa Barbara
[2] Department of Materials, University of California, Santa Barbara
来源：
SCIENCE | 1997年 / 278卷 / 5346期
关键词：
D O I：
10.1126/science.278.5346.2080
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Zeolite type structures with large cages interconnected by multidimensional 12-ring (rings of 12 tetrahedrally coordinated atoms) channels have been synthesized; more than a dozen large-pore materials were created in three different topologies with aluminum (or gallium), cobalt (or manganese, magnesium, or zinc), and phosphorus at the tetrahedral coordination sites. Tetragonal UCSB-8 has an unusually large cage built from 64 tetrahedral atoms and connected by an orthogonal channel system with 12-ring apertures in two dimensions and 8-ring apertures in the third. Rhombohedral UCSB-10 and hexagonal UCSB-8 are structurally related to faujasite and its hexagonal polymorph, respectively, and have large cages connected by 12-ring channels in all three dimensions.
引用
收藏
页码：2080 / 2085
页数：6
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