Catalyst Preparation Procedure Probed by EXAFS Spectroscopy. 1. Nickel on Silica

Kazuyuki Tohji, Yasuo Udagawa, Shuji Tanabe, Akifumi Ueno

研究成果: Article査読

87 被引用数 (Scopus)

抄録

Environments of Ni atoms were probed by extended X-ray absorption fine structure (EXAFS) at every elementary step of Ni/SiO2 catalyst preparation by two different methods. Combining the structural information obtained at the atomic level by EXAFS with the observation of the bulk by electron microscopy, detailed reaction procedures leading to different products have been revealed. The reason metal particle size distribution depends on the preparation procedure employed is ascribed to whether or not homogeneous dispersion of a small metal oxide cluster is realized before reduction.

本文言語English
ページ(範囲)612-617
ページ数6
ジャーナルJournal of the American Chemical Society
106
3
DOI
出版ステータスPublished - 1984 2月 1
外部発表はい

ASJC Scopus subject areas

  • 触媒
  • 化学 (全般)
  • 生化学
  • コロイド化学および表面化学

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