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dc.titleCovalent organic frameworks for simultaneous co2 capture and selective catalytic transformation
dc.contributor.authorLi, Yaling
dc.contributor.authorZhang, Jianqiang
dc.contributor.authorZuo, Kaiming
dc.contributor.authorLi, Zhongping
dc.contributor.authorWang, Yu
dc.contributor.authorHu, Hui
dc.contributor.authorZeng, Chaoyuan
dc.contributor.authorXu, Huanjun
dc.contributor.authorWang, Baoshan
dc.contributor.authorGao, Yanan
dc.identifier.citationLi, Yaling, Zhang, Jianqiang, Zuo, Kaiming, Li, Zhongping, Wang, Yu, Hu, Hui, Zeng, Chaoyuan, Xu, Huanjun, Wang, Baoshan, Gao, Yanan (2021-09-21). Covalent organic frameworks for simultaneous co2 capture and selective catalytic transformation. Catalysts 11 (9) : 1133. ScholarBank@NUS Repository.
dc.description.abstractCombination of capture and simultaneous conversion of CO2 into valuable chemicals is a fascinating strategy for reducing CO2 emissions. Therefore, searching for heterogeneous catalysts for efficient catalytic conversion of CO2 is of great importance for carbon capture and utilization. Herein, we report a metalloporphyrin-based covalent organic framework (Co(II)@TA-TF COF) that can capture CO2 and simultaneously convert it into cyclic carbonates under mild conditions. The COF was designed to possess micropores for the adsorption of CO2 and integrated with cobalt(II) porphyrin (Co(II)@TAPP) units as catalytic sites into the vertices of the layered tetragonal networks. The structure of the Co(II)@TA-TF COF is unique where Co(II)@TAPP units are alternately stacked along the z direction with a slipped distance of 1.7 Å, which gives an accessible space to accommodate small molecules, making it possible to expose catalytic sites to substrates within the adjacent stacked layers. As a result, this COF is found to be highly effective for the addition of CO2 and epoxides. Importantly, the Co(II)@TA-TF COF exhibited a dramatic size selectivity for substrates. In conjunction with its reusability, our results highlight the development of a new function of COFs for targeting simultaneous CO2 absorption and utilization upon complementary exploration of the structural features of skeletons and pores. Such promising catalytic performance of the COF makes it possible for its potential practical application. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
dc.rightsAttribution 4.0 International
dc.sourceScopus OA2021
dc.subjectCarbon dioxide capture
dc.subjectCarbon dioxide conversion
dc.subjectCarbon resource
dc.subjectCovalent organic framework
dc.subjectCyclic carbonate
dc.subjectHeterogeneous catalysts
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