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Issue 91, 2014
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Homogeneous decoration of zeolitic imidazolate framework-8 (ZIF-8) with core–shell structures on carbon nanotubes

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Abstract

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.

Graphical abstract: Homogeneous decoration of zeolitic imidazolate framework-8 (ZIF-8) with core–shell structures on carbon nanotubes

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Publication details

The article was received on 08 Jul 2014, accepted on 26 Sep 2014 and first published on 26 Sep 2014


Article type: Paper
DOI: 10.1039/C4RA06792D
Citation: RSC Adv., 2014,4, 49614-49619
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    Homogeneous decoration of zeolitic imidazolate framework-8 (ZIF-8) with core–shell structures on carbon nanotubes

    J. Yoo, S. Lee, C. K. Lee, C. Kim, T. Fujigaya, H. J. Park, N. Nakashima and J. K. Shim, RSC Adv., 2014, 4, 49614
    DOI: 10.1039/C4RA06792D

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