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首页> 外文期刊>RSC Advances >Homogeneous decoration of zeolitic imidazolate framework-8 (ZIF-8) with core-shell structures on carbon nanotubes
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Homogeneous decoration of zeolitic imidazolate framework-8 (ZIF-8) with core-shell structures on carbon nanotubes

机译：碳纳米管上具有核-壳结构的沸石咪唑盐骨架8（ZIF-8）的均质装饰

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摘要

Considerable attention has focused on the combination of carbon nanotubes (CNTs) and metal-organic frameworks (MOFs) since both nanomaterials have outstanding properties. We describe a method for the homogeneous decoration of a MOF (ZIF-8 was chosen) onto the surfaces of CNTs dispersed by polyvinylpyrrolidones (PVPs) in methanol, which was revealed by a scanning electron microscopic study. The homogeneous coating of the MOF on the CNTs, and nanostructures of the CNT-MOF were controlled by simply changing the concentrations of the MOFs. Furthermore, this method was also applicable to graphene and graphene oxide (GO). CO2 uptakes of the CNT-MOF and graphene-MOF were significantly improved as compared to the nonhomogeneous composites synthesized without the PVP functionalization, and a good reproducibility of the CO2 adsorption was confirmed by the cycling test.
机译：由于这两种纳米材料都具有出色的性能，因此将注意力集中在碳纳米管（CNT）和金属有机骨架（MOF）的组合上。我们描述了一种方法，用于将MOF（选择ZIF-8）均匀装饰在由聚乙烯吡咯烷酮（PVP）分散在甲醇中的CNT表面上，这是通过扫描电子显微镜研究揭示的。可以通过简单地改变MOF的浓度来控制MOF在CNT上的均匀涂层以及CNT-MOF的纳米结构。此外，该方法也适用于石墨烯和氧化石墨烯（GO）。与不使用PVP官能化合成的非均相复合材料相比，CNT-MOF和石墨烯-MOF的CO2吸收量显着提高，并且循环试验证实了CO2吸附的良好再现性。

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