化学
乙炔
连接器
金属有机骨架
多孔性
超临界流体
打赌理论
化学工程
极限(数学)
多孔介质
比表面积
溶剂
金属
纳米技术
曲面(拓扑)
物理化学
有机化学
催化作用
材料科学
计算机科学
数学
吸附
数学分析
工程类
操作系统
几何学
作者
Omar K. Farha,Ibrahim Eryazici,Nak Cheon Jeong,Bernard A. Hauser,Christopher E. Wilmer,Amy A. Sarjeant,Randall Q. Snurr,SonBinh T. Nguyen,A. Özgür Yazaydın,Joseph T. Hupp
摘要
We have synthesized, characterized, and computationally simulated/validated the behavior of two new metal-organic framework (MOF) materials displaying the highest experimental Brunauer-Emmett-Teller (BET) surface areas of any porous materials reported to date (~7000 m(2)/g). Key to evacuating the initially solvent-filled materials without pore collapse, and thereby accessing the ultrahigh areas, is the use of a supercritical CO(2) activation technique. Additionally, we demonstrate computationally that by shifting from phenyl groups to "space efficient" acetylene moieties as linker expansion units, the hypothetical maximum surface area for a MOF material is substantially greater than previously envisioned (~14600 m(2)/g (or greater) versus ~10500 m(2)/g).
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