High capacity ammonia adsorption in a robust metal-organic framework mediated by reversible host-guest interactions

Lixia Guo, Xue Han, Yujie Ma, Jiangnan Li, Wanpeng Lu, Weiyao Li, Daniel Lee, Ivan da Silva, Yongqiang Cheng, Svemir Rudić, Pascal Manuel, Mark D. Frogley, Anibal J. Ramirez-Cuesta, Martin Schröder, Sihai Yang

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

To understand the exceptional adsorption of ammonia (NH3) in MFM-300(Sc) (19.5 mmol g−1 at 273 K and 1 bar without hysteresis), we report a systematic investigation of the mechanism of adsorption by a combination of in situ neutron powder diffraction, inelastic neutron scattering, synchrotron infrared microspectroscopy, and solid-state 45Sc NMR spectroscopy. These complementary techniques reveal the formation of reversible host-guest supramolecular interactions, which explains directly the observed excellent reversibility of this material over 90 adsorption-desorption cycles.

Original languageEnglish
JournalChemical Communications
DOIs
StateAccepted/In press - 2022

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