Surface chemistry of C-N bonds on Rh(111). 1. C sub 2 N sub 2 and CH sub 3 NH sub 2
Journal Article
·
· Journal of Physical Chemistry; (USA)
- Univ. of Minnesota, Minneapolis (USA)
The adsorption and decomposition of C{sub 2}N{sub 2} and CH{sub 3}NH{sub 2} on Rh(111) have been studied by using temperature-programmed desorption (TPD) and Auger electron spectroscopy (AES). Both molecules adsorb readily on Rh(111) at 300 K and totally decompose. Adsorption of CH{sub 3}NH{sub 2} at 300 K produces H{sub 2} and N{sub 2} as major products at low coverages. CH{sub 3}NH{sub 2} is totally dehydrogenated by 500 K to leave surface CN which then follows the same decomposition path as C{sub 2}N{sub 2}. The chemistry of the C-N bonds in C{sub 2}N{sub 2} and CH{sub 3}NH{sub 2} is therefore similar in that 20% (in C{sub 2}N{sub 2}) and 39% (in CH{sub 3}NH{sub 2}) of the bond is cleaved to produce N{sub 2} and surface carbon residues while the rest desorbs intact as HCN and C{sub 2}N{sub 2}.
- OSTI ID:
- 6716769
- Journal Information:
- Journal of Physical Chemistry; (USA), Journal Name: Journal of Physical Chemistry; (USA) Vol. 93:26; ISSN 0022-3654; ISSN JPCHA
- Country of Publication:
- United States
- Language:
- English
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Thu Aug 25 00:00:00 EDT 1988
· J. Phys. Chem.; (United States)
·
OSTI ID:5992758
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Related Subjects
36 MATERIALS SCIENCE
360104 -- Metals & Alloys-- Physical Properties
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ADSORPTION
AMINES
AUGER ELECTRON SPECTROSCOPY
CALCULATION METHODS
CHEMICAL REACTIONS
CYANOGEN
DATA
DATA ANALYSIS
DECOMPOSITION
ELECTRON SPECTROSCOPY
ELEMENTS
EXPERIMENTAL DATA
INFORMATION
MEASURING INSTRUMENTS
MEASURING METHODS
METALS
METHYLAMINE
NUMERICAL DATA
ORGANIC COMPOUNDS
PLATINUM METALS
RHODIUM
SORPTION
SPECTROSCOPY
SURFACE PROPERTIES
TRANSITION ELEMENTS
360104 -- Metals & Alloys-- Physical Properties
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ADSORPTION
AMINES
AUGER ELECTRON SPECTROSCOPY
CALCULATION METHODS
CHEMICAL REACTIONS
CYANOGEN
DATA
DATA ANALYSIS
DECOMPOSITION
ELECTRON SPECTROSCOPY
ELEMENTS
EXPERIMENTAL DATA
INFORMATION
MEASURING INSTRUMENTS
MEASURING METHODS
METALS
METHYLAMINE
NUMERICAL DATA
ORGANIC COMPOUNDS
PLATINUM METALS
RHODIUM
SORPTION
SPECTROSCOPY
SURFACE PROPERTIES
TRANSITION ELEMENTS