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Mechanical Synthesis of COF Nanosheet Cluster and Its Mixed Matrix Membrane for Efficient CO Removal

ACS Applied Materials and Interfaces, ISSN: 1944-8252, Vol: 9, Issue: 34, Page: 29093-29100
2017
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Article Description

Covalent organic framework (COF) membranes used for selective removal of CO were believed as an efficient and low-cost solution to energy and environmental sustainability. In this study, the amide modified COF nanosheet cluster with a 2D structure was facilely prepared through solid reaction, exhibiting good adsorption-based CO selectivity (223 at 273 K and 90 at 298 K) toward N. Remarkably, the mixed matrix membrane (MMM) that consists of a lesser amount of COF filler (1 wt %) shows promising CO/N gas selectivity (∼64). In addition, the competitive adsorption prompts the selectivity to ∼72 under an equimolar CO/N mixture, which surpasses the values of all reported COF membranes. It is worth to note that the binary gas separation is stable during 120 h.

Bibliographic Details

Zou, Changchang; Li, Qianqian; Hua, Yinying; Zhou, Bihang; Duan, Jingui; Jin, Wanqin

American Chemical Society (ACS)

Materials Science

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