Effect of Functional Groups on Low-Concentration Carbon Dioxide Capture in UiO-66-Type Metal-Organic Frameworks - Details

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The　selective　capture　of　low-concentration　CO2　from　air　or　confined　spaces　remains　a　great　challenge.　In　this　study,　various　functional　groups　were　introduced　into　UiO-66　to　generate　functionalized　derivatives　(UiO-66-R,　R　=　NO2,　NH2,　OH,　and　CH3),　aiming　at　significantly　enhancing　CO2　adsorption　and　separation　efficiency.　More　significantly,　UiO-66-NO2　and　UiO-66-NH2　with　high　polarity　exhibit　exceptional　CO2　affinity　and　optimal　separation　characteristics　in　mixed　CO2/O2/N2　(1:21:78).　In　addition,　the　impressive　stability　of　UiO-66-NO2　and　UiO-66-NH2　endows　them　with　excellent　recycling　stability.　The　effective　adsorption　and　separation　performances　demonstrated　by　these　two　functional　materials　suggest　their　potential　as　promising　physical　adsorbents　for　capturing　low-concentration　CO2　©　2023　American　Chemical　Society.

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[ 1 ] [Liang Z.]College of Chemistry, Fuzhou University, Fuzhou, 350116, China
[ 2 ] [Liang Z.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 3 ] [Ou Y.]College of Chemistry, Fuzhou University, Fuzhou, 350116, China
[ 4 ] [Ou Y.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 5 ] [El-Sayed E.M.]Chemical Refining Laboratory, Refining Department, Egyptian Petroleum Research Institute, Nasr City, 11727, Egypt
[ 6 ] [Su K.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 7 ] [Su K.]University of the Chinese Academy of Sciences, Beijing, 100049, China
[ 8 ] [Wang W.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 9 ] [Wang W.]University of the Chinese Academy of Sciences, Beijing, 100049, China
[ 10 ] [Yuan D.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 11 ] [Yuan D.]University of the Chinese Academy of Sciences, Beijing, 100049, China

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Inorganic Chemistry

ISSN： 0020-1669

Year： 2023

Issue： 21

Volume： 62

Page： 8309-8314

4 . 3

JCR@2023

4 . 3 0 0

JCR@2023

ESI HC Threshold：39

JCR Journal Grade：1

CAS Journal Grade：1

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 2

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