Positional Installation of Unsymmetrical Fluorine Functionalities onto Metal-Organic Frameworks for Efficient Carbon Dioxide Separation under Humid Conditions

Seongwoo Kim; Tae Ung Yoon; Kwang Hyun Oh; Jaesung Kwak; Youn Sang Bae; Min Kim

doi:10.1021/acs.inorgchem.0c02496

Positional Installation of Unsymmetrical Fluorine Functionalities onto Metal-Organic Frameworks for Efficient Carbon Dioxide Separation under Humid Conditions

Seongwoo Kim, Tae Ung Yoon, Kwang Hyun Oh, Jaesung Kwak, Youn Sang Bae, Min Kim

Department of Chemical and Biomolecular Engineering

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

10 Citations (Scopus)

Abstract

Unsymmetrical trifluoro functional groups were installed onto metal-organic frameworks (MOFs) at positions regulated by ligand exchange for efficient CO2 separation under humid conditions. These trifluoro groups induced molecular separation via dipole-dipole interactions. Their installation onto amino-functionalized MOF surfaces produced hydrophobic and CO2-philic core-shell MOFs for efficient CO2 adsorption.

Original language	English
Pages (from-to)	18048-18054
Number of pages	7
Journal	Inorganic Chemistry
Volume	59
Issue number	24
DOIs	https://doi.org/10.1021/acs.inorgchem.0c02496
Publication status	Published - 2020 Dec 21

Bibliographical note

Funding Information:
We thank Dr. Jae Hwa Lee and Prof. Hoi Ri Moon (UNIST, Korea) for assitance with MOF characterizations. This research was supported by the Basic Science Research Program (2019R1A2C4070584 for S. Kim and M. Kim) and the Science Research Center (2016R1A5A1009405 for S. Kim and M. Kim) through the National Research Foundation of Korea (NRF) funded by the Ministry of Science and ICT and was also supported by NRF grants funded by the Korean government (MSIT) (2020R1A5A1019131 and 2020K1A4A7A02095371 for T.-U. Yoon, K. H. Oh, and Y.-S. Bae). This research was also supported by Korea Insitute of Construction Technology (20200547-001 for K. H. Oh and Y.-S. Bae). S. Kim (Ph.D. student) was supported by an NRF Global Ph.D. Fellowship (2018H1A2A1062013) funded by the Ministry of Education.

Publisher Copyright:
© 2020 American Chemical Society.

All Science Journal Classification (ASJC) codes

Physical and Theoretical Chemistry
Inorganic Chemistry

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10.1021/acs.inorgchem.0c02496

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title = "Positional Installation of Unsymmetrical Fluorine Functionalities onto Metal-Organic Frameworks for Efficient Carbon Dioxide Separation under Humid Conditions",

abstract = "Unsymmetrical trifluoro functional groups were installed onto metal-organic frameworks (MOFs) at positions regulated by ligand exchange for efficient CO2 separation under humid conditions. These trifluoro groups induced molecular separation via dipole-dipole interactions. Their installation onto amino-functionalized MOF surfaces produced hydrophobic and CO2-philic core-shell MOFs for efficient CO2 adsorption.",

author = "Seongwoo Kim and Yoon, {Tae Ung} and Oh, {Kwang Hyun} and Jaesung Kwak and Bae, {Youn Sang} and Min Kim",

note = "Funding Information: We thank Dr. Jae Hwa Lee and Prof. Hoi Ri Moon (UNIST, Korea) for assitance with MOF characterizations. This research was supported by the Basic Science Research Program (2019R1A2C4070584 for S. Kim and M. Kim) and the Science Research Center (2016R1A5A1009405 for S. Kim and M. Kim) through the National Research Foundation of Korea (NRF) funded by the Ministry of Science and ICT and was also supported by NRF grants funded by the Korean government (MSIT) (2020R1A5A1019131 and 2020K1A4A7A02095371 for T.-U. Yoon, K. H. Oh, and Y.-S. Bae). This research was also supported by Korea Insitute of Construction Technology (20200547-001 for K. H. Oh and Y.-S. Bae). S. Kim (Ph.D. student) was supported by an NRF Global Ph.D. Fellowship (2018H1A2A1062013) funded by the Ministry of Education. Publisher Copyright: {\textcopyright} 2020 American Chemical Society.",

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AU - Kwak, Jaesung

AU - Bae, Youn Sang

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N1 - Funding Information: We thank Dr. Jae Hwa Lee and Prof. Hoi Ri Moon (UNIST, Korea) for assitance with MOF characterizations. This research was supported by the Basic Science Research Program (2019R1A2C4070584 for S. Kim and M. Kim) and the Science Research Center (2016R1A5A1009405 for S. Kim and M. Kim) through the National Research Foundation of Korea (NRF) funded by the Ministry of Science and ICT and was also supported by NRF grants funded by the Korean government (MSIT) (2020R1A5A1019131 and 2020K1A4A7A02095371 for T.-U. Yoon, K. H. Oh, and Y.-S. Bae). This research was also supported by Korea Insitute of Construction Technology (20200547-001 for K. H. Oh and Y.-S. Bae). S. Kim (Ph.D. student) was supported by an NRF Global Ph.D. Fellowship (2018H1A2A1062013) funded by the Ministry of Education. Publisher Copyright: © 2020 American Chemical Society.

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Y1 - 2020/12/21

N2 - Unsymmetrical trifluoro functional groups were installed onto metal-organic frameworks (MOFs) at positions regulated by ligand exchange for efficient CO2 separation under humid conditions. These trifluoro groups induced molecular separation via dipole-dipole interactions. Their installation onto amino-functionalized MOF surfaces produced hydrophobic and CO2-philic core-shell MOFs for efficient CO2 adsorption.

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Positional Installation of Unsymmetrical Fluorine Functionalities onto Metal-Organic Frameworks for Efficient Carbon Dioxide Separation under Humid Conditions

Abstract

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