Oxygen interaction with rhodium at low pressures II. Oxygen desorption |
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Authors: | A N Salanov and V I Savchenko |
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Institution: | (1) Institute of Catalysis, 630090 Novosibirsk, Russia |
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Abstract: | Oxygen desorption on polycrystalline Rh and single crystal Rh(100) at 400–1600 K has been studied using thermal desorption and numerical calculation methods. With low surface coverages ( <0.3) the adsorbed oxygen particles pentrate the metal and the diffuse back to the surface (peak 2). At >0.3 the processes of formation/decomposition of surface oxide Rh2O3 takes place (peak 1).
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![rcy](/content/77m86532p02q9428/xxlarge1088.gif) ![acy](/content/77m86532p02q9428/xxlarge1072.gif) 400–1600 . ![Pcy](/content/77m86532p02q9428/xxlarge1055.gif) ![rcy](/content/77m86532p02q9428/xxlarge1088.gif) ![mcy](/content/77m86532p02q9428/xxlarge1084.gif) ![acy](/content/77m86532p02q9428/xxlarge1072.gif) ![lcy](/content/77m86532p02q9428/xxlarge1083.gif) ![ycy](/content/77m86532p02q9428/xxlarge1099.gif) ![pcy](/content/77m86532p02q9428/xxlarge1087.gif) ![ocy](/content/77m86532p02q9428/xxlarge1086.gif) ![kcy](/content/77m86532p02q9428/xxlarge1082.gif) ![rcy](/content/77m86532p02q9428/xxlarge1088.gif) ![ycy](/content/77m86532p02q9428/xxlarge1099.gif) ![tcy](/content/77m86532p02q9428/xxlarge1090.gif) ![icy](/content/77m86532p02q9428/xxlarge1080.gif) ![yacy](/content/77m86532p02q9428/xxlarge1103.gif) ( <0,3) ![pcy](/content/77m86532p02q9428/xxlarge1087.gif) ![rcy](/content/77m86532p02q9428/xxlarge1088.gif) ![ocy](/content/77m86532p02q9428/xxlarge1086.gif) 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![khcy](/content/77m86532p02q9428/xxlarge1093.gif) ![ncy](/content/77m86532p02q9428/xxlarge1085.gif) ![ocy](/content/77m86532p02q9428/xxlarge1086.gif) ![scy](/content/77m86532p02q9428/xxlarge1089.gif) -![ncy](/content/77m86532p02q9428/xxlarge1085.gif) ![ocy](/content/77m86532p02q9428/xxlarge1086.gif) ![gcy](/content/77m86532p02q9428/xxlarge1075.gif) ![ocy](/content/77m86532p02q9428/xxlarge1086.gif) ![kcy](/content/77m86532p02q9428/xxlarge1082.gif) ![scy](/content/77m86532p02q9428/xxlarge1089.gif) ![icy](/content/77m86532p02q9428/xxlarge1080.gif) ![dcy](/content/77m86532p02q9428/xxlarge1076.gif) ![rcy](/content/77m86532p02q9428/xxlarge1088.gif) ![ocy](/content/77m86532p02q9428/xxlarge1086.gif) ![dcy](/content/77m86532p02q9428/xxlarge1076.gif) ![icy](/content/77m86532p02q9428/xxlarge1080.gif) (Rh2O3) (![pcy](/content/77m86532p02q9428/xxlarge1087.gif) ![icy](/content/77m86532p02q9428/xxlarge1080.gif) 1).
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