Multiple Functional Groups of Varying Ratios in Metal-Organic Frameworks

被引：1605

作者：

Deng, Hexiang ^{[1
]}

Doonan, Christian J. ^{[1
]}

Furukawa, Hiroyasu ^{[1
]}

Ferreira, Ricardo B. ^{[1
]}

Towne, John ^{[1
]}

Knobler, Carolyn B. ^{[1
]}

Wang, Bo ^{[1
]}

Yaghi, Omar M. ^{[1
]}

机构：

[1] Univ Calif Los Angeles, Calif Nanosyst Inst, Dept Energy DOE, Inst Genom & Prote,Dept Chem & Biochem, Los Angeles, CA 90095 USA

来源：

SCIENCE | 2010年 / 327卷 / 5967期

关键词：

ZEOLITIC IMIDAZOLATE FRAMEWORKS; HYDROGEN STORAGE; CARBON-DIOXIDE; PORE-SIZE; CAPTURE; DESIGN;

D O I：

10.1126/science.1181761

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：

We show that metal-organic frameworks (MOFs) can incorporate a large number of different functionalities on linking groups in a way that mixes the linker, rather than forming separate domains. We made complex MOFs from 1,4-benzenedicarboxylate (denoted by "A" in this work) and its derivatives -NH2, -Br, -(Cl)(2), -NO2, -(CH3)(2), -C4H4, -(OC3H5)(2), and -(OC7H7)(2) (denoted by "B" to "I," respectively) to synthesize 18 multivariate (MTV) MOF-5 type structures that contain up to eight distinct functionalities in one phase. The backbone (zinc oxide and phenylene units) of these structures is ordered, but the distribution of functional groups is disordered. The complex arrangements of several functional groups within the pores can lead to properties that are not simply linear sums of those of the pure components. For example, a member of this series, MTV-MOF-5-EHI, exhibits up to 400% better selectivity for carbon dioxide over carbon monoxide compared with its best same-link counterparts.

引用

页码：846 / 850

页数：5

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