Thermal and photo-induced dissociation of (C2H5)2Zn to yield C2H5 on the Pd(100) surface

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Abstract

In this work, the adsorption of (C2H5)2Zn on the same Pd surface was reported. It was determined that (C2H5)2Zn adsorbed dissociatively at submonolayer coverages on the Pd (100) surface at 90 K, and molecularly at higher coverages. The primary products of dissociation were absorbed C2H5 and Zn. On the other hand, the C2H5 species experienced dehydrogenation by yield C2 H4 and also hydrogenation to C2 H6. Coupling reactions to C4 H10 and C4 H8 also took place. Illumination of the adsorbed layer with a Hg arc lamp induced the desorption of weakly bound (C2 H5)2 Zn and enhanced the extent of dissociation, even at temperatures 90-95 K.

Original languageEnglish
Pages (from-to)4236-4247
Number of pages12
JournalThe Journal of Chemical Physics
Volume101
Issue number5
Publication statusPublished - Sep 1 1994

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Arc lamps
dissociation
arc lamps
Dehydrogenation
dehydrogenation
Hydrogenation
hydrogenation
Desorption
Lighting
desorption
illumination
Adsorption
adsorption
products
Temperature
temperature
Hot Temperature

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Thermal and photo-induced dissociation of (C2H5)2Zn to yield C2H5 on the Pd(100) surface. / Kovács, I.; Jost, N.; Solymosi, F.

In: The Journal of Chemical Physics, Vol. 101, No. 5, 01.09.1994, p. 4236-4247.

Research output: Contribution to journalArticle

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