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

Adam J. Rieth; Yuri Tulchinsky; Mircea Dincã

doi:10.1021/jacs.6b05723

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

Adam J. Rieth, Yuri Tulchinsky, Mircea Dincã^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

240 Scopus citations

Abstract

A series of new mesoporous metal-organic frameworks (MOFs) made from extended bisbenzenetriazolate 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.

Original language	English
Pages (from-to)	9401-9404
Number of pages	4
Journal	Journal of the American Chemical Society
Volume	138
Issue number	30
DOIs	https://doi.org/10.1021/jacs.6b05723
State	Published - 3 Aug 2016
Externally published	Yes

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© 2016 American Chemical Society.

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

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