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Cited by 623 publications
(98 citation statements)
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“…Hydrogenation and dehydrogenation reactions give activity patterns strikingly different from those observed for hydrogenolysis reactions (Sinfelt, 1973a). This behavior is observed dramatically with certain bimetallic catalysts when the metallic composition is varied (Sinfelt et a]., 1972). Another intriguing example of specificity is found in the isomerization of alkanes on metals.…”
Section: Conclusion and Significancementioning
confidence: 95%
“…Hydrogenation and dehydrogenation reactions give activity patterns strikingly different from those observed for hydrogenolysis reactions (Sinfelt, 1973a). This behavior is observed dramatically with certain bimetallic catalysts when the metallic composition is varied (Sinfelt et a]., 1972). Another intriguing example of specificity is found in the isomerization of alkanes on metals.…”
Section: Conclusion and Significancementioning
confidence: 95%
“…It was reported that the nickel activity for ethane to methane hydrogenolysis was strongly suppressed in the presence of copper, whereas it was much less the case for the dehydrogenation of cyclohexane to benzene [44]. Similarly to Clark et al, de Haan et al proposed to add tin to nickel based catalysts to reduce the excessive hydrogenolysis [45].…”
Section: Hydro/dehydrogenation (Hd/dhd) Functionmentioning
confidence: 99%
“…The presence of this sublayer gives rise to particle effects such as twinning and dislocations. The geometric arrangement of the quasi-complete Pt overlayer has an effect on the reaction selectivity by changing the chemisorption properties of the reactants [17,18,41]. …”
Section: G) H)mentioning
confidence: 99%
“…While an electronic effect has been used to explain the influence on the selectivity and activity of bimetallic catalysts, the ensemble (geometric) effect at a surface may also play a crucial role in changing catalytic characteristics. Here, the second metal may block sites on the surface of an active metal, and, by that means the average size and composition of the ensemble of active sites is varied [17]. It is also recognized that a combination of electronic and geometric effects can explain the catalytic behavior of some bimetallic systems [16][17][18][19].…”
Section: Introductionmentioning
confidence: 99%