The formation of subsurface oxygen on Pt{110} (1x2) from molecular-beam-generated O2 1Δg

被引：11

作者：

Walker, AV

Klötzer, B

King, DA

机构：

[1] Univ Cambridge, Dept Chem, Cambridge CB2 1EW, England

[2] Univ Pittsburgh, Dept Chem, Chevron Sci Ctr 234, Pittsburgh, PA 15260 USA

[3] Univ Innsbruck, Inst Phys Chem, A-6020 Innsbruck, Austria

来源：

JOURNAL OF CHEMICAL PHYSICS | 2000年 / 112卷 / 19期

关键词：

D O I：

10.1063/1.481463

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

An unusually high-peak-temperature desorption state of O-2 from Pt{110} (1x2) has been characterized in temperature programmed desorption spectra after O-2 adsorption from a supersonic beam at a translational energy of 190 meV and at nozzle temperatures, T-n, greater than 870 K. It shows the characteristics of a subsurface atomic state of oxygen. From the nozzle temperature dependence of the rate of population of this state we conclude that it is formed exclusively from electronically excited O-2 (1)Delta(g) generated in the molecular beam source. (C) 2000 American Institute of Physics. [S0021- 9606(00)70518-6].

引用

页码：8631 / 8636

页数：6

共 21 条

[1] A molecular beam investigation into the dynamics and kinetics of dissociative O-2 adsorption on Pt{100}-(1x1) [J].