The effect of strongly bound oxygen on the dehydrogenation and hydrogenation activity and selectivity of platinum single crystal surfaces
TLDR
In this article, the effects of preoxidation on catalytic rates and selectivity were found to be sensitive to the structure of the platinum surface, kink sites playing a particularly active role in the enhancement of dehydrogenation and hydrogenation activity by strongly bound oxygen.About:
This article is published in Journal of Catalysis.The article was published on 1979-05-01 and is currently open access. It has received 124 citations till now. The article focuses on the topics: Dehydrogenation & Platinum.read more
Citations
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Book ChapterDOI
The Influence of Particle Size on the Catalytic Properties of Supported Metals
Michel Che,Carroll O. Bennett +1 more
TL;DR: In this article, the authors address the question of below which particle size the metallic properties are lost and the practical ways of producing metals with particle sizes around the critical value calculated above.
Journal ArticleDOI
The reactivity and composition of strongly adsorbed carbonaceous deposits on platinum. Model of the working hydrocarbon conversion catalyst
TL;DR: The role of strongly adsorbed hydrocarbon deposits in reforming catalysis on a series of flat, stepped, and kinked platinum single-crystal surfaces at atmospheric pressures and temperatures between 300 and 700 K has been established and a model developed for the working structure and composition of the active catalyst surface as discussed by the authors.
Journal ArticleDOI
Molecular Studies of Catalytic Reactions on Crystal Surfaces at High Pressures and High Temperatures by Infrared−Visible Sum Frequency Generation (SFG) Surface Vibrational Spectroscopy
TL;DR: Infrared−visible sum frequency generation (SFG) is a surface-specific vibrational spectroscopy that can operate in a pressure range from ultrahigh vacuum (uhv) to atmospheric pressures.
Journal ArticleDOI
CH bond activation in hydrocarbon oxidation on solid catalysts
R. Burch,M.J. Hayes +1 more
TL;DR: In this paper, the activation of CH bonds in saturated hydrocarbons is the crucial step in several different types of oxidation reaction on a variety of catalysts and could occur through homolytic or heterolytic mechanisms.
Journal ArticleDOI
Formation and Thermal Stability of Platinum Oxides on Size-Selected Platinum Nanoparticles: Support Effects
TL;DR: In this paper, the formation and thermal stability of Pt oxide species on size-selected Pt nanoparticles (NPs) supported on SiO2, ZrO2 and TiO2 thin films were investigated.
References
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Journal ArticleDOI
The dehydrogenation and hydrogenolysis of cyclohexane and cyclohexene on stepped (high miller index) platinum surfaces
D.W. Blakely,Gabor A. Somorjai +1 more
TL;DR: In this article, the dehydrogenation and hydrogenolysis were studied on platinum single crystal surfaces of varying atomic surface structure at low pressures (10−6 Torr) in the temperature range of 300 −723 K. The active catalyst surface was covered with a carbonaceous overlayer.
Journal ArticleDOI
binding states of CO and H2 on clean and oxidized (111)Pt
R.W McCabe,Lanny D. Schmidt +1 more
TL;DR: In this paper, the binding states and sticking coefficients of CO and H2 on clean and oxide covered (111)Pt are examined using flash desorption mass spectrometry and Auger electron spectroscopy (AES).
Journal ArticleDOI
On the selectivity of platinum catalysts
TL;DR: In this paper, the reaction of neopentane on supported platinum and platinum powder catalysts has been obtained at 300 °C, 1 atm total pressure, and a hydrogen-to-neopentanes ratio of 10.
Journal ArticleDOI
Mechanisms of the catalytic carbon monoxide oxidation on Pt (110)
H.P. Bonzel,R. Ku +1 more
TL;DR: In this paper, the kinetics of the carbon monoxide oxidation on a clean Pt (110) crystal were investigated in an ultra-high vacuum system by utilizing Auger electron spectroscopy, low-energy electron diffraction and residual gas analysis.
Related Papers (5)
The dehydrogenation and hydrogenolysis of cyclohexane and cyclohexene on stepped (high miller index) platinum surfaces
D.W. Blakely,Gabor A. Somorjai +1 more