Observation of binding of carbon dioxide to nitro-decorated metal-organic frameworks

Thien D. Duong; Sergey A. Sapchenko; Ivan da Silva; Harry G.W. Godfrey; Yongqiang Cheng; Luke L. Daemen; Pascal Manuel; Mark D. Frogley; Gianfelice Cinque; Anibal J. Ramirez-Cuesta; Sihai Yang; Martin Schröder

doi:10.1039/c9sc04294f

Observation of binding of carbon dioxide to nitro-decorated metal-organic frameworks

Thien D. Duong, Sergey A. Sapchenko, Ivan da Silva, Harry G.W. Godfrey, Yongqiang Cheng, Luke L. Daemen, Pascal Manuel, Mark D. Frogley, Gianfelice Cinque, Anibal J. Ramirez-Cuesta, Sihai Yang, Martin Schröder

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Abstract

Metal-organic frameworks (MOFs) functionalised with amine, amide and hydroxyl groups show great promise for CO₂binding due to their ability to form hydrogen bonds to CO₂. Herein we report the adsorption and selectivity of CO₂in four iso-reticular MOFs adopting the NbO topology. Functionalisation of the parent MOF, MFM-102, with -NO₂, -NH₂and alkyl groups leads to an enhancement of CO₂adsorption of up to 36% for the NO₂-decorated MOF and with raised selectivity. MFM-102-NO₂shows the highest adsorption capacity for CO₂(184 cm³g^-1at 273 K and 1.0 bar) within this series, comparable to the best-behaving iso-reticular MOFs. At 298 K and 1.0 bar, MFM-102-NO₂shows a CO₂/CH₄selectivity of 5.0.In situinelastic neutron scattering and synchrotron FT-IR micro-spectroscopy were employed to elucidate the host-guest interaction dynamics within CO₂-loaded MFM-102-NO₂. Neutron powder diffraction enabled the direct observation of the preferred binding domains in MFM-102-NO₂, and, to the best of our knowledge, we report the first example of CO₂binding to a -NO₂group in a porous MOF. Synergistic effects between the -NO₂group and the open metal sites lead to optimal binding of CO₂molecules within MFM-102-NO₂viahydrogen bonding to C-H groups.

Original language	English
Pages (from-to)	5339-5346
Number of pages	8
Journal	Chemical Science
Volume	11
Issue number	20
DOIs	https://doi.org/10.1039/c9sc04294f
State	Published - May 28 2020

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© The Royal Society of Chemistry 2020.

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title = "Observation of binding of carbon dioxide to nitro-decorated metal-organic frameworks",

abstract = "Metal-organic frameworks (MOFs) functionalised with amine, amide and hydroxyl groups show great promise for CO2binding due to their ability to form hydrogen bonds to CO2. Herein we report the adsorption and selectivity of CO2in four iso-reticular MOFs adopting the NbO topology. Functionalisation of the parent MOF, MFM-102, with -NO2, -NH2and alkyl groups leads to an enhancement of CO2adsorption of up to 36% for the NO2-decorated MOF and with raised selectivity. MFM-102-NO2shows the highest adsorption capacity for CO2(184 cm3g-1at 273 K and 1.0 bar) within this series, comparable to the best-behaving iso-reticular MOFs. At 298 K and 1.0 bar, MFM-102-NO2shows a CO2/CH4selectivity of 5.0.In situinelastic neutron scattering and synchrotron FT-IR micro-spectroscopy were employed to elucidate the host-guest interaction dynamics within CO2-loaded MFM-102-NO2. Neutron powder diffraction enabled the direct observation of the preferred binding domains in MFM-102-NO2, and, to the best of our knowledge, we report the first example of CO2binding to a -NO2group in a porous MOF. Synergistic effects between the -NO2group and the open metal sites lead to optimal binding of CO2molecules within MFM-102-NO2viahydrogen bonding to C-H groups.",

author = "Duong, {Thien D.} and Sapchenko, {Sergey A.} and {da Silva}, Ivan and Godfrey, {Harry G.W.} and Yongqiang Cheng and Daemen, {Luke L.} and Pascal Manuel and Frogley, {Mark D.} and Gianfelice Cinque and Ramirez-Cuesta, {Anibal J.} and Sihai Yang and Martin Schr{\"o}der",

note = "Publisher Copyright: {\textcopyright} The Royal Society of Chemistry 2020.",

year = "2020",

month = may,

day = "28",

doi = "10.1039/c9sc04294f",

language = "English",

volume = "11",

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T1 - Observation of binding of carbon dioxide to nitro-decorated metal-organic frameworks

AU - Duong, Thien D.

AU - Sapchenko, Sergey A.

AU - da Silva, Ivan

AU - Godfrey, Harry G.W.

AU - Cheng, Yongqiang

AU - Daemen, Luke L.

AU - Manuel, Pascal

AU - Frogley, Mark D.

AU - Cinque, Gianfelice

AU - Ramirez-Cuesta, Anibal J.

AU - Yang, Sihai

AU - Schröder, Martin

PY - 2020/5/28

Y1 - 2020/5/28

N2 - Metal-organic frameworks (MOFs) functionalised with amine, amide and hydroxyl groups show great promise for CO2binding due to their ability to form hydrogen bonds to CO2. Herein we report the adsorption and selectivity of CO2in four iso-reticular MOFs adopting the NbO topology. Functionalisation of the parent MOF, MFM-102, with -NO2, -NH2and alkyl groups leads to an enhancement of CO2adsorption of up to 36% for the NO2-decorated MOF and with raised selectivity. MFM-102-NO2shows the highest adsorption capacity for CO2(184 cm3g-1at 273 K and 1.0 bar) within this series, comparable to the best-behaving iso-reticular MOFs. At 298 K and 1.0 bar, MFM-102-NO2shows a CO2/CH4selectivity of 5.0.In situinelastic neutron scattering and synchrotron FT-IR micro-spectroscopy were employed to elucidate the host-guest interaction dynamics within CO2-loaded MFM-102-NO2. Neutron powder diffraction enabled the direct observation of the preferred binding domains in MFM-102-NO2, and, to the best of our knowledge, we report the first example of CO2binding to a -NO2group in a porous MOF. Synergistic effects between the -NO2group and the open metal sites lead to optimal binding of CO2molecules within MFM-102-NO2viahydrogen bonding to C-H groups.

AB - Metal-organic frameworks (MOFs) functionalised with amine, amide and hydroxyl groups show great promise for CO2binding due to their ability to form hydrogen bonds to CO2. Herein we report the adsorption and selectivity of CO2in four iso-reticular MOFs adopting the NbO topology. Functionalisation of the parent MOF, MFM-102, with -NO2, -NH2and alkyl groups leads to an enhancement of CO2adsorption of up to 36% for the NO2-decorated MOF and with raised selectivity. MFM-102-NO2shows the highest adsorption capacity for CO2(184 cm3g-1at 273 K and 1.0 bar) within this series, comparable to the best-behaving iso-reticular MOFs. At 298 K and 1.0 bar, MFM-102-NO2shows a CO2/CH4selectivity of 5.0.In situinelastic neutron scattering and synchrotron FT-IR micro-spectroscopy were employed to elucidate the host-guest interaction dynamics within CO2-loaded MFM-102-NO2. Neutron powder diffraction enabled the direct observation of the preferred binding domains in MFM-102-NO2, and, to the best of our knowledge, we report the first example of CO2binding to a -NO2group in a porous MOF. Synergistic effects between the -NO2group and the open metal sites lead to optimal binding of CO2molecules within MFM-102-NO2viahydrogen bonding to C-H groups.

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U2 - 10.1039/c9sc04294f

DO - 10.1039/c9sc04294f

M3 - Article

AN - SCOPUS:85085603920

SN - 2041-6520

VL - 11

SP - 5339

EP - 5346

JO - Chemical Science

JF - Chemical Science

IS - 20

ER -

Observation of binding of carbon dioxide to nitro-decorated metal-organic frameworks

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