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EXAFS study on the dispersion of molybdenum sulfide catalysts on γ-Al2O3

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Abstract

The dispersion of molybdenum sulfide catalysts was characterized based on the lateral dimensions of MoS2 crystallites estimated by EXAFS. A new index ofN(Mo)/N(S), instead ofN(Mo), was used to estimate the average MoS2 size to minimize the contribution of the coexisting oxide or oxisulfide phase in the catalysts. EXAFS showed some advantages over other techniques, such as TEM or XPS.

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Authors and Affiliations

  1. National Chemical Laboratory for Industry, 305, Tsukuba, Japan

    Hiromichi Shimada, Nobuyuki Matsubayashi, Toshio Sato, Yuji Yoshimura, Motoyasu Imamura & Akio Nishijima

  2. Catalysts and Chemicals Industries Co. Ltd., Wakamatsu, 808, Kitakyushu, Japan

    Takashi Kameoka

Authors
  1. Hiromichi Shimada
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  2. Nobuyuki Matsubayashi
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  3. Toshio Sato
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  4. Yuji Yoshimura
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  5. Motoyasu Imamura
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  6. Takashi Kameoka
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  7. Akio Nishijima
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Shimada, H., Matsubayashi, N., Sato, T. et al. EXAFS study on the dispersion of molybdenum sulfide catalysts on γ-Al2O3 . Catal Lett 20, 81–86 (1993). https://doi.org/10.1007/BF00772599

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  • DOI: https://doi.org/10.1007/BF00772599

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