Preadsorption Effect of Carbon Monoxide on Reactivity of Cobalt Cluster Cations toward Hydrogen

Masashi Arakawa, Daichi Okada, Satoshi Kono, Akira Terasaki

研究成果: ジャーナルへの寄稿学術誌査読

1 被引用数 (Scopus)

抄録

We report gas-phase reactions of free Con(CO)m+ (n = 3-11, m = 0-2) with H2, expecting a catalytic reaction of coadsorbed CO and H2 on Con+. Preadsorption of CO molecules is found to promote H2 adsorption, in particular, on Con(CO)+ (n = 5, 8-10). Density functional theory (DFT) calculations reveal that the reactivity is governed by the molecular-orbital energy of Con+, which is tuned by preadsorbed CO molecules. Collision-induced-dissociation experiments performed on ConCOH2+ (n = 8-10) imply that at least some of the CO and H2 molecules are bound together on Con+.

本文言語英語
ページ(範囲)9751-9756
ページ数6
ジャーナルJournal of Physical Chemistry A
124
47
DOI
出版ステータス出版済み - 11月 25 2020

All Science Journal Classification (ASJC) codes

  • 物理化学および理論化学

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