Invited for this month's cover are the groups of Rongjian Sa and Ruihu Wang at Minjiang University and the Chinese Academy of Sciences. The image shows how host-guest composite catalysts with task-specific components for the cycloaddition of CO2 with epoxides have been developed through integrating nitrogen-rich covalent organic framework and imidazolium-based ionic polymer. The Full Paper itself is available at 10.1002/cssc.202006158.
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