低次元カーボン細孔中の水・水和構造の解明

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タイトル別名
  • Water and hydrate structures in carbon nanopores
  • テイジゲン カーボンサイコウ チュウ ノ ミズ ・ スイワ コウゾウ ノ カイメイ

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抄録

Water has unique properties in the nanopores of activated carbons and carbon nanotubes, which are apparently different from those of typical adsorbed molecules such as N2 and Ar. Here the mechanism of water vapor adsorption in carbon nanopores and the adsorbed structures are reviewed using adsorption isotherms, X-ray scattering, and molecular simulations. Water cluster formation in hydrophobic carbon nanopores promoted self-adsorption of water by gaining stability. Water stabilization is a result of anomalously strong hydrogen bonding between water molecules in such carbon nanopores. On the other hand, in the case of an aqueous electrolyte solution, the formation of a hydration shell around ions is dominant in carbon nanopores. These findings promote our understanding of water nanoscience and nanotechnology as well as electrochemical nanoscience.

収録刊行物

  • 炭素

    炭素 2014 (263), 91-103, 2014

    炭素材料学会

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