Thermal decomposition of chemisorbed azomethane on Pd(111)
Journal Article
·
· Journal of Physical Chemistry; (USA)
- Univ. of Pittsburgh, PA (USA)
The adsorption and thermal decomposition of azomethane (CH{sub 3}N = NCH{sub 3}) on Pd(111) under ultrahigh-vacuum conditions was studied by temperature-programmed desorption and work function measurements. Adsorbed azomethane is stable on the surface until N-N bond scission occurs at {approx} 250 K. Above 280 K, further decomposition forms H(a) and HCN(a) which subsequently desorb at higher temperatures. No C-N bond dissociation is observed on Pd(111). Thus, both N-N and C-H bond cleavages are observed for chemisorbed azomethane on Pd(111), while only C-N bond cleavage is observed in the gas-phase thermal decomposition of azomethane.
- OSTI ID:
- 7246522
- Journal Information:
- Journal of Physical Chemistry; (USA), Journal Name: Journal of Physical Chemistry; (USA) Vol. 93:18; ISSN 0022-3654; ISSN JPCHA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360603 -- Materials-- Properties
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400000* -- Chemistry
400201 -- Chemical & Physicochemical Properties
400500 -- Photochemistry
ALKANES
CHEMICAL REACTIONS
CHEMISORPTION
CHEMISTRY
CRYSTALS
DATA
DATA ANALYSIS
ELEMENTS
EXPERIMENTAL DATA
HYDROCARBONS
INFORMATION
MEASURING INSTRUMENTS
MEASURING METHODS
METALS
METHANE
NUMERICAL DATA
ORGANIC COMPOUNDS
PALLADIUM
PHOTOCHEMISTRY
PLATINUM METALS
SEPARATION PROCESSES
SORPTION
THERMAL DEGRADATION
TRANSITION ELEMENTS
360603 -- Materials-- Properties
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400000* -- Chemistry
400201 -- Chemical & Physicochemical Properties
400500 -- Photochemistry
ALKANES
CHEMICAL REACTIONS
CHEMISORPTION
CHEMISTRY
CRYSTALS
DATA
DATA ANALYSIS
ELEMENTS
EXPERIMENTAL DATA
HYDROCARBONS
INFORMATION
MEASURING INSTRUMENTS
MEASURING METHODS
METALS
METHANE
NUMERICAL DATA
ORGANIC COMPOUNDS
PALLADIUM
PHOTOCHEMISTRY
PLATINUM METALS
SEPARATION PROCESSES
SORPTION
THERMAL DEGRADATION
TRANSITION ELEMENTS