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

DOI: 10.1039/D2CC01197B DOI Help

Authors: Lixia Guo (University of Manchester) , Xue Han (University of Manchester) , Yujie Ma (University of Manchester) , Jiangnan Li (University of Manchester) , Wanpeng Lu (University of Manchester) , Weiyao Li (University of Manchester) , Daniel Lee (University of Manchester) , Ivan Da Silva (ISIS Facility) , Yongqiang Cheng (Oak Ridge National Laboratory) , Svemir Rudic (ISIS Facility) , Pascal Manuel (ISIS Facility) , Mark D. Frogley (Diamond Light Source) , Anibal Javier Ramirez-Cuesta (Oak Ridge National Laboratory) , Martin Schroeder (University of Manchester) , Sihai Yang (University of Manchester)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Chemical Communications

State: Published (Approved)
Published: April 2022
Diamond Proposal Number(s): 30398

Open Access Open Access

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.

Subject Areas: Chemistry, Materials


Instruments: B22-Multimode InfraRed imaging And Microspectroscopy

Other Facilities: TOSCA, WISH at ISIS

Added On: 20/04/2022 10:12

Documents:
d2cc01197b.pdf

Discipline Tags:

Chemistry Materials Science Metal-Organic Frameworks Metallurgy Organometallic Chemistry

Technical Tags:

Spectroscopy Infrared Spectroscopy Synchtron-based Fourier Transform Infrared Spectroscopy (SR-FTIR)