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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Eu3+ functionalized robust membranes based on the post-synthetic copolymerization of a metal-organic framework and ethyl methacrylate
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Eu3+ functionalized robust membranes based on the post-synthetic copolymerization of a metal-organic framework and ethyl methacrylate

机译：基于金属 - 有机骨架和甲基丙烯酸乙酯的合成后共聚的Eu3 +官能化稳健膜

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摘要

Metal-organic frameworks (MOFs) are recognized as a class of promising crystalline materials. However, their subsequent processing and shaping still remain a challenge, and one emerging strategy is to hybridize MOFs with flexible polymers. Herein, by utilizing a simple and cost-effective post-synthetic polymerization method, under mild conditions, MOF particles with olefin bonds are covalently linked to polymer chains. Moreover, photoactive europium ions are also introduced into this system during the polymerization process. Importantly, the resulting MOF-based membrane (MOF1-Eu3+@PEMA) is uniform, showing great structural and fluorescence stability against strict conditions (aqueous solutions with pH 0.98-13.11). Besides, given its good luminescence properties, the membrane is employed for the identification of common volatile organic compounds and a selective response to toluene was achieved. This work accelerates the practical applications of MOF-based membranes and enriches the methods for MOF modification.
机译：金属有机骨架（MOF）被认为是一类很有前途的晶体材料。然而，它们的后续加工和成型仍然是一个挑战，一个新兴的策略是将MOF与柔性聚合物杂交。在此，通过利用简单且成本有效的合成后聚合方法，在温和条件下，具有烯烃键的MOF颗粒共价连接到聚合物链。此外，在聚合过程中还引入了光活性铕离子。重要的是，得到的MOF基膜（MOF1-Eu3+@PEMA）是均匀的，在严格的条件下（pH值为0.98-13.11的水溶液）表现出良好的结构和荧光稳定性。此外，由于其良好的发光性能，该膜被用于识别常见的挥发性有机化合物，并实现了对甲苯的选择性响应。这项工作加速了MOF基膜的实际应用，丰富了MOF改性的方法。

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