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Construction of a PPIL@COF core-shell composite with enhanced catalytic activity for CO2 conversion
Du, Yi-Ran1,2; Ding, Guang-Rong1,2; Wang, Yao-Feng1; Xu, Bao-Hua1,2; Zhang, Suo-Jiang1,2
2021-03-21
Source PublicationGREEN CHEMISTRY
ISSN1463-9262
Volume23Issue:6Pages:2411-2419
AbstractConverting CO2 into high value-added chemicals is a promising approach for CO2 utilization. It is imperative to develop novel catalysts for both selective and high adsorption of CO2 and thereafter efficient chemical transformation. Herein, bromide-based porous poly(ionic liquid)s (PPILs) were covalently integrated with mesoporous covalent organic frameworks (COFs) to provide a kind of core-shell hybrid for the first time. The resultant PPIL@COF hybrids fabricated by anchoring a specific ratio of PPIL to COF have a bromide per unit mass value which corresponds to the requisite CO2 uptake capacity, thereby facilitating the storage of enough CO2 around the catalytic active sites. As a proof of concept, the cyclization of epoxides with CO2 to form cyclic carbonates was selected as the benchmark reaction, the reactivity of which was significantly improved in the presence of hydroxyl group decorated PPIL@COFA compared to that of individual PPIL and the hydroxyl-free PPIL@COFB counterpart. The hydroxyl groups at the interfacial layer, functioning as the hydrogen bond donors, cooperate with the bromides from the PPIL core to facilitate the rate-limiting step of the ring opening of the epoxides. These findings provide the basis of a novel design concept for achieving both efficient and stable catalysts in the CO2 transformation.
DOI10.1039/d1gc00267h
Language英语
Funding ProjectNational Natural Science Foundation of China Youth Fund[22022815] ; National Natural Science Foundation of China[U1704251] ; Key Research Program of Frontier Sciences, CAS[ZDBS-LY-JSC022] ; Zhengzhou High Level Talent Certificate[20180200052] ; K. C. Wong Education Foundation[GJTD-2018-04]
WOS Research AreaChemistry ; Science & Technology - Other Topics
WOS SubjectChemistry, Multidisciplinary ; Green & Sustainable Science & Technology
Funding OrganizationNational Natural Science Foundation of China Youth Fund ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Zhengzhou High Level Talent Certificate ; K. C. Wong Education Foundation
WOS IDWOS:000634559500012
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/48338
Collection中国科学院过程工程研究所
Corresponding AuthorXu, Bao-Hua
Affiliation1.Chinese Acad Sci, CAS Key Lab Green Proc & Engn, State Key Lab Multiphase Complex Syst, Inst Proc Engn,Beijing Key Lab Ion Liquids Clean, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem & Chem Engn, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Du, Yi-Ran,Ding, Guang-Rong,Wang, Yao-Feng,et al. Construction of a PPIL@COF core-shell composite with enhanced catalytic activity for CO2 conversion[J]. GREEN CHEMISTRY,2021,23(6):2411-2419.
APA Du, Yi-Ran,Ding, Guang-Rong,Wang, Yao-Feng,Xu, Bao-Hua,&Zhang, Suo-Jiang.(2021).Construction of a PPIL@COF core-shell composite with enhanced catalytic activity for CO2 conversion.GREEN CHEMISTRY,23(6),2411-2419.
MLA Du, Yi-Ran,et al."Construction of a PPIL@COF core-shell composite with enhanced catalytic activity for CO2 conversion".GREEN CHEMISTRY 23.6(2021):2411-2419.
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