Adsorption of methane and ethane, 1. Studies of work function changes of Pt foil. Effect of pressure

Hlavathy, Zoltán; Tétényi, P.

doi:10.1007/bf02475728

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Cited by 6 publications

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“…[1] indicated, however, no changes of WFC with increasing temperature above 200~ The higher WFC values on adsorption of ethane can be explained by higher adsorption, i.e. higher surface coverage with ethane.…”

Section: Resultsmentioning

confidence: 79%

Adsorption of methane and ethane, 2. Studies of metal blacks in a dynamic system

Matusek

Tétényi

1997

React Kinet Catal Lett

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Section: Resultsmentioning

confidence: 79%

Adsorption of methane and ethane, 2. Studies of metal blacks in a dynamic system

Matusek

Tétényi

1997

React Kinet Catal Lett

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Theoretical Studies of Stability and Reactivity of CHx Species on Ni(111)

Watwe

Bengaard

Rostrup-Nielsen

et al. 2000

Journal of Catalysis

193

139

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The Chemisorption of Hydrocarbons

Metal-Catalysed Reactions of Hydrocarbons

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PREFACEWe have considered at some length the ways in which hydrogen can interact with metals and supported metal catalysts, and with itself when isotopic analogues are used, and because our main theme is the reactions that hydrogen undergoes with hydrocarbons it is logical that we should next examine how they interact with metal surfaces. The great variety of types of hydrocarbon (alkanes, alkenes, alkynes, aromatics etc.) make this potentially a much larger subject than that of the last Chapter, and a further complication is that the forms adopted by a specific hydrocarbon depend on the nature of the metal, the crystal plane, the particle size, and particularly the temperature. These factors have acted as a challenge to experimentalists and theoreticians, and there is a very extensive literature, on which it will be necessary to try to impose some order; selection and compression will also be called for.Our aim will be to try to identify those adsorbed species most likely to be intermediates in the reactions we shall meet later, and to recognise species derived from the original molecule that may inhibit the desired reaction, or indeed be required for reaction under more forcing conditions. In some cases the structure of the relevant intermediate looks like that of the product, and, just as with hydrogen, the essential part of the process is accomplished in the chemisorption. The very precise and detailed information available on the structures of certain adsorbed species and their effects on the arrangement of surface metal atoms will excite our admiration. 153 154 CHAPTER 4

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Adsorption of methane and ethane, 1. Studies of work function changes of Pt foil. Effect of pressure

Abstract: Pt work-function changes have been measured on adsorption of methane and ethane at different temperatures in the 10"5-10 "2 mbar pressure range. Correlations were found between pressure of hydrocarbons and Pt work function changes.

Cited by 6 publications

References 17 publications

Adsorption of methane and ethane, 2. Studies of metal blacks in a dynamic system

Adsorption of methane and ethane, 2. Studies of metal blacks in a dynamic system

Theoretical Studies of Stability and Reactivity of CHx Species on Ni(111)

The Chemisorption of Hydrocarbons

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