Fabrication and characterization of magnetic nanoporous zeolite templated carbon

K. Takai; T. Suzuki; T. Enoki; H. Nishihara; T. Kyotani

doi:10.1016/j.jpcs.2009.12.037

Fabrication and characterization of magnetic nanoporous zeolite templated carbon

K. Takai, T. Suzuki, T. Enoki, H. Nishihara, T. Kyotani

Polymer Hybrid Materials Research Center

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

6 Citations (Scopus)

Abstract

The effects of heat-treatment and guest adsorption on the structure and electronic/magnetic properties were investigated for zeolite templated carbon (ZTC) by using potassium, bromine, and helium as guest species. ZTC consists of a curved graphene network, which has regularly arranged nanopores with a periodicity of 1.4 nm. X-ray diffraction and Raman spectra reveal that the regular nanopore structure is preserved during vacuum heat-treatment (<380 °C) and potassium adsorption process. On the other hand, bromine adsorption is found to destroy the nanopore structure. Helium atoms adsorbed in the nanospace participate in the energy dissipation of the radical spins in ZTC through collisions with the spins.

Original language	English
Pages (from-to)	565-568
Number of pages	4
Journal	Journal of Physics and Chemistry of Solids
Volume	71
Issue number	4
DOIs	https://doi.org/10.1016/j.jpcs.2009.12.037
Publication status	Published - 2010 Apr

Keywords

A. Nanostructures
B. Vapor deposition
C. X-ray diffraction
D. Electron paramagnetic resonance (EPR)

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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abstract = "The effects of heat-treatment and guest adsorption on the structure and electronic/magnetic properties were investigated for zeolite templated carbon (ZTC) by using potassium, bromine, and helium as guest species. ZTC consists of a curved graphene network, which has regularly arranged nanopores with a periodicity of 1.4 nm. X-ray diffraction and Raman spectra reveal that the regular nanopore structure is preserved during vacuum heat-treatment (<380 °C) and potassium adsorption process. On the other hand, bromine adsorption is found to destroy the nanopore structure. Helium atoms adsorbed in the nanospace participate in the energy dissipation of the radical spins in ZTC through collisions with the spins.",

keywords = "A. Nanostructures, B. Vapor deposition, C. X-ray diffraction, D. Electron paramagnetic resonance (EPR)",

author = "K. Takai and T. Suzuki and T. Enoki and H. Nishihara and T. Kyotani",

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doi = "10.1016/j.jpcs.2009.12.037",

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T1 - Fabrication and characterization of magnetic nanoporous zeolite templated carbon

AU - Takai, K.

AU - Suzuki, T.

AU - Enoki, T.

AU - Nishihara, H.

AU - Kyotani, T.

PY - 2010/4

Y1 - 2010/4

N2 - The effects of heat-treatment and guest adsorption on the structure and electronic/magnetic properties were investigated for zeolite templated carbon (ZTC) by using potassium, bromine, and helium as guest species. ZTC consists of a curved graphene network, which has regularly arranged nanopores with a periodicity of 1.4 nm. X-ray diffraction and Raman spectra reveal that the regular nanopore structure is preserved during vacuum heat-treatment (<380 °C) and potassium adsorption process. On the other hand, bromine adsorption is found to destroy the nanopore structure. Helium atoms adsorbed in the nanospace participate in the energy dissipation of the radical spins in ZTC through collisions with the spins.

AB - The effects of heat-treatment and guest adsorption on the structure and electronic/magnetic properties were investigated for zeolite templated carbon (ZTC) by using potassium, bromine, and helium as guest species. ZTC consists of a curved graphene network, which has regularly arranged nanopores with a periodicity of 1.4 nm. X-ray diffraction and Raman spectra reveal that the regular nanopore structure is preserved during vacuum heat-treatment (<380 °C) and potassium adsorption process. On the other hand, bromine adsorption is found to destroy the nanopore structure. Helium atoms adsorbed in the nanospace participate in the energy dissipation of the radical spins in ZTC through collisions with the spins.

KW - A. Nanostructures

KW - B. Vapor deposition

KW - C. X-ray diffraction

KW - D. Electron paramagnetic resonance (EPR)

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JO - Journal of Physics and Chemistry of Solids

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Fabrication and characterization of magnetic nanoporous zeolite templated carbon

Abstract

Keywords

ASJC Scopus subject areas

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