High and Reversible Ammonia Uptake in Mesoporous Azolate Metal Organic Frameworks with Open Mn, Co, and Ni Sites

被引：243

作者：

Rieth, Adam J. ^{[1
]}

Tulchinsky, Yuri ^{[1
]}

Dinca, Mircea ^{[1
]}

机构：

[1] MIT, Dept Chem, 77 Massachusetts Ave, Cambridge, MA 02139 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2016年 / 138卷 / 30期

基金：

美国国家科学基金会;

关键词：

HYDROGEN ADSORPTION; MOFS; REMOVAL; CAPTURE; GASES;

D O I：

10.1021/jacs.6b05723

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A series of new mesoporous metal-organic frameworks (MOFs) made from extended bisbenzene-triazolate linkers exhibit coordinatively unsaturated metal sites that are responsible for high and reversible uptake of ammonia. Isostructural Mn, Co, and Ni materials adsorb 15.47, 12.00, and 12.02 mmol of NH3/g, respectively, at STP. Importantly, these near-record capacities are reversible for at least three cycles. These results demonstrate that azolate MOFs are sufficiently thermally and chemically stable to find uses in recyclable sorption, storage, and potentially separation of chemically challenging and/or corrosive gases, especially when designed to exhibit a high density of open metal sites.

引用

页码：9401 / 9404

页数：4

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