吸附
吸附
对称(几何)
材料科学
金属有机骨架
化学
纳米技术
化学工程
物理化学
数学
几何学
工程类
作者
Yuchen Xiao,Anh N. Hong,Yichong Chen,Huajun Yang,Yanxiang Wang,Xianhui Bu,Pingyun Feng
出处
期刊:Small
[Wiley]
日期:2022-11-28
卷期号:19 (5)
被引量:21
标识
DOI:10.1002/smll.202205119
摘要
A new perspective is proposed in the design of pore-space-partitioned MOFs that is focused on ligand symmetry properties sub-divided here into three hierarchical levels: 1) overall ligand, 2) ligand substructure such as backbone or core, and 3) the substituent groups. Different combinations of the above symmetry properties exist. Given the close correlation between nature of chemical moiety and its symmetry, such a unique perspective into ligand symmetry and sub-symmetry in MOF design translates into the influences on MOF properties. Five new MOFs have been prepared that exhibit excellent hydrothermal stability and high-performance adsorption properties with potential applications such as C3 H6 /C2 H4 and C2 H2 /CO2 selective adsorption. The combination of high stability with high benzene/cyclohexane selectivity of ≈13.7 is also of particular interest.
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