Adsorption reaction of polar organic molecules on Sin + cluster ions

Wakana Nakagawara, Hironori Tsunoyama, Ari Furuya, Fuminori Misaizu, Koichi Ohno

研究成果: Article査読

抄録

We have examined chemical reactions of small silicon cluster ions Si n+ for n = 7-16 with polar organic molecules M (M = CH3CN, CD3OD, C2H5CN, and C 2H5OH). The intensities of the adsorption products Si nMm+ for m = 1 and 2 were investigated as a function of n. We found for all polar molecules that the relative intensity of SinM+ to the unreacted Sin+ is smaller for n = 11, 13, and 14, that is, the adsorption reactivity is smaller for these n than others. It was also commonly observed that the SigM 2+ ion are more intense than neighboring n. We discussed the relationship of the reactivity with the geometrical structures and the stabilities of the bare Sin+ ions and adsorbed Si n(CH3CN)m+ ions, from theoretical calculations based on density functional theory.

本文言語English
ページ(範囲)2502-2507
ページ数6
ジャーナルInternational Journal of Modern Physics B
19
15-17
DOI
出版ステータスPublished - 2005 7 10
外部発表はい

ASJC Scopus subject areas

  • 統計物理学および非線形物理学
  • 凝縮系物理学

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