Interaction of C2N2 with clean and oxygen dosed Cu(111) surface studied by AES, ELS and TDS measurements

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Abstract

The adsorption and surface reaction of cyanogen on clean and oxygen covered Cu(111) have been investigated. From electron energy loss measurements, thermal desorption spectroscopy and electron beam effects in Auger spectroscopy, it is proposed that cyanogen adsorbs dissociatively on Cu(111) at 300 K. The activation energy for the desorption was calculated to be 180 kJ/mol. Cyanogen adsorption onto oxygen predosed Cu(111) is inferred to produce the NCO surface species. This interpretation was aided by data of electron energy loss measurements and from HNCO adsorption onto Cu(111) at 300 K. A reaction began in the co-adsorbed layer above 400 K, yielding CO2 and N2.

Original languageEnglish
Pages (from-to)368-380
Number of pages13
JournalSurface Science
Volume108
Issue number2
DOIs
Publication statusPublished - Jul 1 1981

Fingerprint

cyanogen
Oxygen
Adsorption
adsorption
Energy dissipation
oxygen
energy dissipation
desorption
electron energy
Thermal desorption spectroscopy
Electrons
Surface reactions
interactions
surface reactions
Auger spectroscopy
Electron beams
Desorption
Activation energy
Spectroscopy
electron beams

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Condensed Matter Physics
  • Surfaces and Interfaces

Cite this

Interaction of C2N2 with clean and oxygen dosed Cu(111) surface studied by AES, ELS and TDS measurements. / Solymosi, F.; Kiss, J.

In: Surface Science, Vol. 108, No. 2, 01.07.1981, p. 368-380.

Research output: Contribution to journalArticle

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