Reactive and Non-reactive Interactions of Thiophene with WS2 Fullerene-like Nanoparticles: An Ultra-high Vacuum Surface Chemistry Study

The adsorption kinetics of thiophene on WS 2 nanoparticles with fullerene-like (onion-like) structure has been studied at ultra-high vacuum conditions by sample temperature ramping techniques. At low temperatures, thiophene adsorbs molecularly. The formation of H 2 S and alkanes is evident at greate...

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Veröffentlicht in:	Catalysis letters 2008-10, Vol.125 (3-4), p.236-242
Hauptverfasser:	Goering, J., Burghaus, U., Arey, B. W., Eidelman, O., Zak, A., Tenne, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	ADSORPTION ALKANES Catalysis Chemistry Chemistry and Materials Science Colloidal state and disperse state Cross-disciplinary physics: materials science rheology Environmental Molecular Sciences Laboratory Exact sciences and technology Fullerenes Fullerenes and related materials diamonds, graphite General and physical chemistry High vacuum Hydrogen sulfide HYDROGEN SULFIDES Industrial Chemistry/Chemical Engineering INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY KINETICS Materials science Nanoparticles NANOSCIENCE AND NANOTECHNOLOGY NANOSTRUCTURES Organic chemistry Organometallic Chemistry Physical and chemical studies. Granulometry. Electrokinetic phenomena Physical Chemistry Physics Reaction kinetics SORPTIVE PROPERTIES Specific materials SYNTHESIS Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry THIOPHENE TUNGSTEN SULFIDES
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Zusammenfassung:	The adsorption kinetics of thiophene on WS 2 nanoparticles with fullerene-like (onion-like) structure has been studied at ultra-high vacuum conditions by sample temperature ramping techniques. At low temperatures, thiophene adsorbs molecularly. The formation of H 2 S and alkanes is evident at greater temperatures on fully sulfided as well as reduced and oxidized WS 2 nanoparticles.
ISSN:	1011-372X 1572-879X
DOI:	10.1007/s10562-008-9565-7