Hydrogen chemisorption and the carbon monoxide--hydrogen interaction on cobalt (0001)
Journal Article
·
· J. Catal.; (United States)
At 300/sup 0/K hydrogen chemisorbs dissociatively on Co(0001) with an initial sticking probability of approx. 0.04, and the surface saturates at a coverage of THETA approx. 0.1. Desorption occurs from a single adsorbed state with second-order kinetics and an activation energy of approx. 67 kJ mol/sup -1/. Coadsorption of hydrogen and carbon monoxide leads to no detectable interaction between these species in the mixed adlayer, but at approx. 300/sup 0/K CO dosing of a hydrogen-covered surface leads to displacement of the latter with an efficiency of approx. 0.7. 5 figures.
- Research Organization:
- University of Cambridge, England
- OSTI ID:
- 6257501
- Journal Information:
- J. Catal.; (United States), Journal Name: J. Catal.; (United States) Vol. 58:1; ISSN JCTLA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
08 HYDROGEN
080201 -- Hydrogen-- Chemisorption Storage
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ACTIVATION ENERGY
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CHEMISORPTION
COBALT
CRYOGENIC FLUIDS
DESORPTION
ELEMENTS
ENERGY
FLUIDS
HYDROGEN
KINETICS
MEDIUM TEMPERATURE
METALS
NONMETALS
OXIDES
OXYGEN COMPOUNDS
REACTION KINETICS
SEPARATION PROCESSES
SORPTION
SORPTIVE PROPERTIES
SURFACE AREA
SURFACE PROPERTIES
TRANSITION ELEMENTS
080201 -- Hydrogen-- Chemisorption Storage
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ACTIVATION ENERGY
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CHEMISORPTION
COBALT
CRYOGENIC FLUIDS
DESORPTION
ELEMENTS
ENERGY
FLUIDS
HYDROGEN
KINETICS
MEDIUM TEMPERATURE
METALS
NONMETALS
OXIDES
OXYGEN COMPOUNDS
REACTION KINETICS
SEPARATION PROCESSES
SORPTION
SORPTIVE PROPERTIES
SURFACE AREA
SURFACE PROPERTIES
TRANSITION ELEMENTS