Real-time observation of CO oxidation reaction on Ir(111) surface at 33 ms resolution by means of wavelength-dispersive near-edge x-ray absorption fine structure spectroscopy

Real-time observation of CO oxidation reaction on Ir(111) surface at 33 ms resolution by means of wavelength-dispersive near-edge x-ray absorption fine structure spectroscopy
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利用波长色散近边X射线吸收精细结构光谱以33 ms分辨率实时观察Ir(111)表面CO氧化反应

DOI:
10.1063/1.3624587
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发表时间:
2011
影响因子:
4
通讯作者:
H. Kondoh
H. Kondoh
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
K. Amemiya;Y. Kousa;Shuichi Nakamoto;Taiga Harada;Shogo Kozai;Masaaki Yoshida;H. Abe;R. Sumii;M. Sakamaki;H. Kondoh

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用近边X射线吸收精细结构谱(NEXAFS)在软X射线波段观测了CO在Ir(111)表面的氧化反应。采用波长色散NEXAFS技术,实现了对反应单次事件的33 ms实时分辨率的连续数据采集,无需重复。原子O和分子CO的覆盖率的时间演化的定量估计在反应过程中。得到的活化能明显大于Pt(111)上的活化能。
The CO oxidation reaction on Ir(111) is observed by the near-edge x-ray absorption fine structure (NEXAFS) spectroscopy in the soft x-ray region. A continuous data acquisition at 33 ms real-time resolution is realized for a single event of the reaction without the repetition, by adopting the wavelength-dispersive NEXAFS technique. The time evolution of the coverages for atomic O and molecular CO is quantitatively estimated during the reaction. The obtained activation energy is significantly larger than that on Pt(111).
用快速近边 X 射线吸收精细结构光谱研究 Rh(111) 表面上的 N NO 反应:NO 二聚体作为外源前体的作用
DOI: --
发表时间: 2006
期刊: The Journal of Physical Chemistry B 110
影响因子: --
作者:
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发表时间: 2004-09
期刊: The Journal of chemical physics
影响因子: --
作者:
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通讯作者: I. Nakai;H. Kondoh;K. Amemiya;M. Nagasaka;A. Nambu;T. Shimada;T. Ohta
Rh(111) 表面 N NO 反应机制:前体介导的反应
DOI: --
发表时间: 2009
期刊: J.Phys.Chem.C 113
影响因子: --
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通讯作者: 他