Nitrogen removal pathways in a steady-state NO + CO reaction on Pd(110)

Yunsheng Ma; Izabela Rzeznicka; Tatsuo Matsushima

doi:10.1016/j.cplett.2004.02.090

Nitrogen removal pathways in a steady-state NO + CO reaction on Pd(110)

Yunsheng Ma, Izabela Rzeznicka, Tatsuo Matsushima

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

Three removal processes of surface nitrogen, i.e., (i) the decomposition of the intermediate N₂O(a), (ii) its desorption without decomposition and (iii) the associative desorption of nitrogen atoms, were separately studied in a steady-state NO+CO reaction on Pd(110) through analysis of the angular and velocity distributions of desorbing products N₂ and N₂O. At temperatures below approximately 600 K, the processes (i) and (ii) prevailed, whereas at higher temperatures, the process (iii) contributed significantly. The branching was also sensitive to the CO/NO pressure ratio.

Original language	English
Pages (from-to)	201-207
Number of pages	7
Journal	Chemical Physics Letters
Volume	388
Issue number	1-3
DOIs	https://doi.org/10.1016/j.cplett.2004.02.090
Publication status	Published - 2004 Apr 11
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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title = "Nitrogen removal pathways in a steady-state NO + CO reaction on Pd(110)",

abstract = "Three removal processes of surface nitrogen, i.e., (i) the decomposition of the intermediate N2O(a), (ii) its desorption without decomposition and (iii) the associative desorption of nitrogen atoms, were separately studied in a steady-state NO+CO reaction on Pd(110) through analysis of the angular and velocity distributions of desorbing products N2 and N2O. At temperatures below approximately 600 K, the processes (i) and (ii) prevailed, whereas at higher temperatures, the process (iii) contributed significantly. The branching was also sensitive to the CO/NO pressure ratio.",

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AU - Ma, Yunsheng

AU - Rzeznicka, Izabela

AU - Matsushima, Tatsuo

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Y1 - 2004/4/11

N2 - Three removal processes of surface nitrogen, i.e., (i) the decomposition of the intermediate N2O(a), (ii) its desorption without decomposition and (iii) the associative desorption of nitrogen atoms, were separately studied in a steady-state NO+CO reaction on Pd(110) through analysis of the angular and velocity distributions of desorbing products N2 and N2O. At temperatures below approximately 600 K, the processes (i) and (ii) prevailed, whereas at higher temperatures, the process (iii) contributed significantly. The branching was also sensitive to the CO/NO pressure ratio.

AB - Three removal processes of surface nitrogen, i.e., (i) the decomposition of the intermediate N2O(a), (ii) its desorption without decomposition and (iii) the associative desorption of nitrogen atoms, were separately studied in a steady-state NO+CO reaction on Pd(110) through analysis of the angular and velocity distributions of desorbing products N2 and N2O. At temperatures below approximately 600 K, the processes (i) and (ii) prevailed, whereas at higher temperatures, the process (iii) contributed significantly. The branching was also sensitive to the CO/NO pressure ratio.

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