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

Jong Tae Yoo; Su Hyun Lee; Chang Kee Lee; Chae Rin Kim; Tsuyohiko Fujigaya; Hyun Jin Park; Naotoshi Nakashima; Jin Kie Shim

doi:10.1039/c4ra06792d

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

Jong Tae Yoo, Su Hyun Lee, Chang Kee Lee, Chae Rin Kim, Tsuyohiko Fujigaya, Hyun Jin Park, Naotoshi Nakashima, Jin Kie Shim

Research output: Contribution to journal › Article › peer-review

51 Citations (Scopus)

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.

Original language	English
Pages (from-to)	49614-49619
Number of pages	6
Journal	RSC Advances
Volume	4
Issue number	91
DOIs	https://doi.org/10.1039/c4ra06792d
Publication status	Published - 2014

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Publisher Copyright:
© The Royal Society of Chemistry 2014.

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering

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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.",

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AU - Yoo, Jong Tae

AU - Lee, Su Hyun

AU - Lee, Chang Kee

AU - Kim, Chae Rin

AU - Fujigaya, Tsuyohiko

AU - Park, Hyun Jin

AU - Nakashima, Naotoshi

AU - Shim, Jin Kie

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AB - 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.

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

Abstract

Bibliographical note

ASJC Scopus subject areas

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