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Sub-5 nm porous polymer decoration toward superhydrophobic MOFs with enhanced stability and processability

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摘要 Metal-organic frameworks(MOFs) show great potential for various applications, but many of them suffer from the drawbacks of hydrolysis propensity and poor processability. Herein, we employ polymers of intrinsic microporosity(PIMs) with hydrophobic pores to decorate MOFs toward substantially improved water stability and shapeability. Through simple PIM-1 decoration, the sub-5 nm polymer layers can be uniformly deposited on MOF surfaces with almost no deterioration in porosity. Owing to the existence of superhydrophobic coating and the obstruction of water entrance into MOFs, the PIM-1 coated Cu BTC exhibits impressive water resistance and excellent pore preservation ability after exposure in water, even in acidic and alkaline solutions. Moreover, polymer decoration improves the processability of MOFs, while various MOF/PIM-1 bulk wafers and oil-water separators can be obtained straightforwardly.
出处 《Chinese Chemical Letters》 SCIE CAS CSCD 2022年第4期2134-2138,共5页 中国化学快报(英文版)
基金 financially supported by National Natural Science Foundation of China (No. 51708252) Guangdong Basic and Applied Basic Research Foundation (Nos. 2020B1515120036,2021A1515010187)。
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