Oxygen adsorption on the Pt(110)(1 × 2) surface studied with EELS
作者： J. Schmidt , Ch. Stuhlmann , H. Ibach
DOI: 10.1016/0167-2584(93)90979-S
关键词: Analytical chemistry 、 Adsorption 、 Transition metal 、 Platinum 、 Desorption 、 Oxygen 、 Chemistry 、 Inorganic chemistry 、 Electron energy loss spectroscopy 、 Molecule 、 Dissociation (chemistry)
摘要: Abstract The adsorption of oxygen on the Pt(110)( l ×2) surface was investigated by electron energy loss spectroscopy (EELS). At 30 K and low exposures is adsorbed as two different peroxolike molecular species in on-top twofold coordinated sites with OO stretching frequencies 860 930 cm −1 , respectively. With increasing exposure additionally a superoxo form ν = 1250 . Heating leads to partial dissociation desorption molecules. about 100 desorbs completely; peroxo begins at 125 completed 200 K. 300 atomic form, PtO vibrations 480 330 are observed.
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