Effect of Functional Groups on Low-Concentration Carbon Dioxide Capture in UiO-66-Type Metal–Organic Frameworks
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 = NO 2 , NH 2 , OH, and CH 3 ), aiming at significantly enhancing CO2 adsorpt...
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| Published in: | Inorganic chemistry Vol. 62; no. 21; pp. 8309 - 8314 |
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| Main Authors: | , , , , , |
| Format: | Journal Article |
| Language: | English |
| Published: |
United States
American Chemical Society
29-05-2023
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| Online Access: | Get full text |
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| Summary: | 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 = NO 2 , NH 2 , OH, and CH 3 ), aiming at significantly enhancing CO2 adsorption and separation efficiency. More significantly, UiO-66-NO 2 and UiO-66-NH 2 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-NO 2 and UiO-66-NH 2 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. |
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| Bibliography: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
| ISSN: | 0020-1669 1520-510X |
| DOI: | 10.1021/acs.inorgchem.3c00821 |