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

Research output: Contribution to journalArticlepeer-review

1 Citation (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 languageEnglish
Pages (from-to)18048-18054
Number of pages7
JournalInorganic Chemistry
Volume59
Issue number24
DOIs
Publication statusPublished - 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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