Electron Holographic Characterization of Nano-Hetero Catalysts

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  • 電子線ホログラフィーを用いたナノ・ヘテロ触媒の解析
  • デンシセン ホログラフィー オ モチイタ ナノ ヘテロ ショクバイ ノ カイセキ

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Abstract

<p>We made Au/TiC nano-hetero catalysts by vacuum evaporation method (VE) and characterized the interface structure using high-resolution electron microscopy and electron holography. The mean inner potential of the Au nano particles on TiC exhibit the size dependence. When the size of Au particle was smaller than 3nm, the mean inner potential of Au increased gradually. When the size was smaller than 2nm, the mean inner potential of the Au was over 30V. This tendency is similar to that of Au/TiO2 catalysts prepared by VE which is considered to have Ti rich interfaces.</p>

Journal

  • KENBIKYO

    KENBIKYO 45 (3), 147-151, 2010-09-30

    The Japanese Society of Microscopy

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