Dynamic Blocking by CO of Hydrogen Transport across Pd<sub>70</sub>Au<sub>30</sub>(110) Surfaces

DOI Web Site 被引用文献3件 参考文献29件
  • Shohei Ogura
    Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan
  • Katsuyuki Fukutani
    Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan

書誌事項

公開日
2017-01-30
資源種別
journal article
DOI
  • 10.1021/acs.jpcc.6b10965
公開者
American Chemical Society (ACS)

この論文をさがす

説明

CO adsorption affects hydrogen transport across surfaces of hydrogen-absorbing materials. On Pd70Au30(110), CO was found to block the desorption sites for absorbed hydrogen. However, the detailed CO adsorption site and hence the blocking mechanism have not been clarified yet. In this study, we investigated the CO adsorption structure on Pd70Au30(110) by using reflection–absorption infrared spectroscopy (RAIRS). We demonstrate that the CO adsorption structure depends on the CO coverage and sample temperature. We also performed thermal desorption spectroscopy (TDS) simulations on the basis of the RAIRS results and clarified the dynamical mechanism of the CO blocking where the CO site transfer from the Pd on-top to the Pd–Pd bridge sites enhances the blocking efficiency. These discoveries would lead to understanding and controlling the hydrogen transport across the Pd–Au alloy and Pd-related surfaces.

収録刊行物

被引用文献 (3)*注記

もっと見る

参考文献 (29)*注記

もっと見る

関連プロジェクト

もっと見る

詳細情報 詳細情報について

問題の指摘

ページトップへ