Monomer Symmetry-Regulated Defect Engineering : In Situ Preparation of Functionalized Covalent Organic Frameworks for Highly Efficient Capture and Separation of Carbon Dioxide
Developing crystalline porous materials with highly efficient CO2 selective adsorption capacity is one of the key challenges to carbon capture and storage (CCS). In current studies, much more attention has been paid to the crystalline and porous properties of crystalline porous materials for CCS, while the defects, which are unavoidable and ubiquitous, are relatively neglected. Herein, for the first time, we propose a monomer-symmetry regulation strategy for directional defect release to achieve in situ functionalization of COFs while exposing uniformly distributed defect-aldehyde groups as functionalization sites for selective CO2 capture. The regulated defective COFs possess high crystallinity, good structural stability, and a large number of organized and functionalized aldehyde sites, which exhibit one of the highest selective separation values of all COF sorbing materials in CO2/N2 selective adsorption (128.9 cm3/g at 273 K and 1 bar, selectivity: 45.8 from IAST). This work not only provides a new strategy for defect regulation and in situ functionalization of COFs but also provides a valuable approach in the design and preparation of new adsorbents for CO2 adsorption and CO2/N2 selective separation.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:15 |
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| Enthalten in: |
ACS applied materials & interfaces - 15(2023), 13 vom: 05. Apr., Seite 16975-16983 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
He, Ningning [VerfasserIn] |
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| Links: |
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| Themen: |
CO2 capture and separation |
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| Anmerkungen: |
Date Completed 06.04.2023 Date Revised 06.04.2023 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1021/acsami.2c22435 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM354483862 |
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| 500 | |a Date Revised 06.04.2023 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Developing crystalline porous materials with highly efficient CO2 selective adsorption capacity is one of the key challenges to carbon capture and storage (CCS). In current studies, much more attention has been paid to the crystalline and porous properties of crystalline porous materials for CCS, while the defects, which are unavoidable and ubiquitous, are relatively neglected. Herein, for the first time, we propose a monomer-symmetry regulation strategy for directional defect release to achieve in situ functionalization of COFs while exposing uniformly distributed defect-aldehyde groups as functionalization sites for selective CO2 capture. The regulated defective COFs possess high crystallinity, good structural stability, and a large number of organized and functionalized aldehyde sites, which exhibit one of the highest selective separation values of all COF sorbing materials in CO2/N2 selective adsorption (128.9 cm3/g at 273 K and 1 bar, selectivity: 45.8 from IAST). This work not only provides a new strategy for defect regulation and in situ functionalization of COFs but also provides a valuable approach in the design and preparation of new adsorbents for CO2 adsorption and CO2/N2 selective separation | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a CO2 capture and separation | |
| 650 | 4 | |a covalent organic frameworks | |
| 650 | 4 | |a defect engineering | |
| 650 | 4 | |a monomer symmetry regulation | |
| 700 | 1 | |a Liu, Boyu |e verfasserin |4 aut | |
| 700 | 1 | |a Jiang, Bo |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Xiaofeng |e verfasserin |4 aut | |
| 700 | 1 | |a Jia, Zhimin |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Jie |e verfasserin |4 aut | |
| 700 | 1 | |a Long, Honghan |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Yingdan |e verfasserin |4 aut | |
| 700 | 1 | |a Zou, Yingdi |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Yuqin |e verfasserin |4 aut | |
| 700 | 1 | |a Xiong, Shunshun |e verfasserin |4 aut | |
| 700 | 1 | |a Cao, Kecheng |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Yang |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Lijian |e verfasserin |4 aut | |
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