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Title: Reversible adsorption of nitrogen dioxide within a robust porous metal–organic framework

Journal Article · · Nature Materials
 [1];  [1];  [1];  [2];  [3];  [3];  [4];  [1]; ORCiD logo [1];  [5];  [6];  [7]; ORCiD logo [3];  [8];  [1];  [1]
  1. Univ. of Manchester (United Kingdom). School of Chemistry
  2. Univ. of Nottingham (United Kingdom). School of Chemistry
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Chemical and Engineering Materials Division (CEMD), Neutron Sciences Directorate
  4. Univ. of Manchester (United Kingdom). School of Chemistry; Novosibirsk State Univ. (Russian Federation). International Tomography Center SB RAS
  5. Peking Univ., Beijing (China). College of Chemistry and Molecular Engineering
  6. European Synchrotron Radiation Facility (ESRF), Grenoble (France)
  7. Univ. of Nottingham (United Kingdom). School of Chemistry; Univ. of Nottingham Ningbo China, Ningbo (China). Dept. of Chemical and Environmental Engineering
  8. Univ. of Newcastle upon Tyne, Newcastle upon Tyne (United Kingdom)

Nitrogen dioxide (NO2) is a major air pollutant causing significant environmental and health problems. We report reversible adsorption of NO2 in a robust metal–organic framework. Under ambient conditions, MFM-300(Al) exhibits a reversible NO2 isotherm uptake of 14.1 mmol g-1, and, more importantly, exceptional selective removal of low-concentration NO2 (5,000 to <1 ppm) from gas mixtures. Complementary experiments reveal five types of supramolecular interaction that cooperatively bind both NO2 and N2O4 molecules within MFM-300(Al). We find that the in situ equilibrium 2NO2 ↔ N2O4 within the pores is pressure-independent, whereas ex situ this equilibrium is an exemplary pressure-dependent first-order process. The coexistence of helical monomer–dimer chains of NO2 in MFM-300(Al) could provide a foundation for the fundamental understanding of the chemical properties of guest molecules within porous hosts. Lastly, this work may pave the way for the development of future capture and conversion technologies.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Laboratory Directed Research and Development (LDRD) Program; Engineering and Physical Sciences Research Council (EPSRC); Univ. of Manchester; Univ. of Nottingham; Russian Ministry of Science and Education
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1474849
Journal Information:
Nature Materials, Vol. 17, Issue 8; ISSN 1476-1122
Publisher:
Springer Nature - Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 113 works
Citation information provided by
Web of Science

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Cited By (21)

Unraveling Structure and Dynamics in Porous Frameworks via Advanced In Situ Characterization Techniques journal January 2020
Ammonia Storage by Reversible Host-Guest Site Exchange in a Robust Metal-Organic Framework journal October 2018
A Metal–Organic Framework with Suitable Pore Size and Specific Functional Sites for the Removal of Trace Propyne from Propylene journal October 2018
A Metal-Organic Framework with Suitable Pore Size and Specific Functional Sites for the Removal of Trace Propyne from Propylene journal October 2018
Neutron Instruments for Research in Coordination Chemistry: Neutron Instruments for Research in Coordination Chemistry journal January 2019
Two New MOFs Based on Cu 2 Paddlewheel Units and Biphenyltetracarboxylate Ligands with a Different Degree of Fluorination : Two New MOFs Based on Cu journal November 2018
Capture of nitrogen dioxide and conversion to nitric acid in a porous metal–organic framework journal November 2019
Porous metal–organic frameworks as emerging sorbents for clean air journal February 2019
Kinetic stability of metal–organic frameworks for corrosive and coordinating gas capture journal September 2019
Entropy in multiple equilibria, compounds with different sites journal January 2018
Direct probe of the nuclear modes limiting charge mobility in molecular semiconductors journal January 2019
Host–guest selectivity in a series of isoreticular metal–organic frameworks: observation of acetylene-to-alkyne and carbon dioxide-to-amide interactions journal January 2019
STA-27, a porous Lewis acidic scandium MOF with an unexpected topology type prepared with 2,3,5,6-tetrakis(4-carboxyphenyl)pyrazine journal January 2019
Synthesis of novel mesoporous sulfated zirconia nanosheets derived from Zr-based metal–organic frameworks journal January 2020
Developing a sustainable route to environmentally relevant metal–organic frameworks: ultra-rapid synthesis of MFM-300(Al) using microwave heating journal January 2019
A new post-synthetic polymerization strategy makes metal–organic frameworks more stable journal January 2019
An ion-in-conjugation polymer enables the detection of NO 2 with parts-per-trillion sensitivity and ultrahigh selectivity journal January 2020
Analysis by synchrotron X-ray scattering of the kinetics of formation of an Fe-based metal-organic framework with high CO 2 adsorption journal November 2019
Microfluidic Electrospray Niacin Metal-Organic Frameworks Encapsulated Microcapsules for Wound Healing journal April 2019
Entropy in multiple equilibria, compounds with different sites text January 2018
Ammonia Storage by Reversible Host-Guest Site Exchange in a Robust Metal-Organic Framework journal October 2018


Figures / Tables (4)


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