. The academic papers of our group won the "special prize of annual papers of E-Party knowledge base" in 2021
The atmospheric environment and bioenergy team published a high-level review article in the Chemical Engineering Journal

       Recently, the atmospheric environment and bioenergy team of our college published an article entitled "architectural MOFs based mixed matrix membrane for efficient CO2 separation: improving strategies towards non ideal interface" (DOI: 10.1016 / j.cej. 2022.136290) online in the chemical engineering journal, an important journal in the field of environment. Zhao Quan, a master student of the school of environment, is the first author of the paper, and associate professor Zang Guolong and Professor Song Chunfeng of the atmosphere team are the co correspondents of the paper.
       Carbon dioxide membrane separation technology provides important technical support and bottom guarantee for carbon neutralization strategy, and its core lies in the development of high-efficiency membrane materials. At present, commercial membrane materials are mainly polymer membranes, and their performance is limited by the "trade-off effect" of polymers, that is, it is difficult to improve the permeability and selectivity of carbon dioxide at the same time, and can not meet the needs of practical applications. It is imperative to develop more efficient, stable and economical membrane materials. Metal organic frameworks (MOFs) are widely used in the design and preparation of mixed matrix membranes (mmms) because of their high designability, and show great potential in breaking through the "trade-off effect". Nevertheless, the inherent non ideal interface between polymer and filler in mmms has become a key factor hindering the development of new hybrid matrix membranes.

       This review systematically summarizes and discusses the formation, advanced characterization and improvement strategies of non ideal interface of MOFs based mmms from the two dimensions of cognition and deconstruction. Taking the construction of different interface structures as the starting point, the non ideal interface is deconstructed into single interface enhancement and multiple interface structures. Finally, this review puts forward suggestions and prospects from three aspects: interface structure construction, interface microenvironment regulation and actual environment control of membrane casting, which provides an important reference for the design and development of a new generation of high-performance mixed matrix membrane.

(Editors: Zhao Quan, Wang Yunchong)

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