Bimetallic Catalysts: Discoveries, Concepts, and ApplicationsPresents an account of the research on bimetallic catalysts. Focuses attention on the possibility of influencing the selectivity of chemical transformations on metal surfaces and preparing metal alloys in a highly dispersed state. Covers the validation and elucidation of the bimetallic cluster concept. Includes figures and tables. |
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Page 74
... phase shift function 28 , ( K ) for OsOs and CuCu atomic pairs can be determined . We have also obtained phase shifts for these pairs of atoms by adjusting theoretical values from Teo and Lee ( 34 ) . The adjust- ments were made by ...
... phase shift function 28 , ( K ) for OsOs and CuCu atomic pairs can be determined . We have also obtained phase shifts for these pairs of atoms by adjusting theoretical values from Teo and Lee ( 34 ) . The adjust- ments were made by ...
Page 102
... functions ( for the first coordination shell of atoms ) for the EXAFS associated with the L absorption edges of pure ... phase shifts . In this regard , we are fortunate that the phase shift functions of platinum and iridium are not very ...
... functions ( for the first coordination shell of atoms ) for the EXAFS associated with the L absorption edges of pure ... phase shifts . In this regard , we are fortunate that the phase shift functions of platinum and iridium are not very ...
Page 103
... Phase shift functions for platinum - platinum , iridium - iridium , and platinum - iridium atomic pairs ( 48 ) ... phase shifts from Teo and Lee ( 34 ) for PtPt and Irlr with an adjustment of only -3 eV in the absorption threshold energy ...
... Phase shift functions for platinum - platinum , iridium - iridium , and platinum - iridium atomic pairs ( 48 ) ... phase shifts from Teo and Lee ( 34 ) for PtPt and Irlr with an adjustment of only -3 eV in the absorption threshold energy ...
Common terms and phrases
absorber atom absorption edge absorption fine structure Academic Press adsorbed alkanes alloys alumina aromatic hydrocarbons atomic ratio atoms benzene bimetallic catalysts bimetallic clusters bulk calcined carbon monoxide cata Catal catalyst containing catalytic activity catalytic reforming Chem components composition coordination shell copper copper atoms copper EXAFS corresponding crystallites CuOs cycloalkanes cyclohexane decreases dehydrogenation electron energy EXAFS data fitting error Group IB metal Group VIII metal H₂ highly dispersed hydrogen chemisorption hydrogen partial pressure interatomic distance isomerization isotherm lower lysts methylcyclopentane Mössbauer Mössbauer effect n-heptane naphtha nearest neighbor nickel nickel-copper alloys obtained OsCu osmium osmium and copper osmium-copper catalyst parameters partial pressure permission from Academic phase shift functions Phys platinum and iridium platinum-iridium catalyst platinum-rhenium catalyst reactions reference catalyst Reprinted with permission rhenium room temperature ruthenium-copper aggregates ruthenium-copper catalyst sample shown in Figure silica silica-supported Sinfelt space velocity spectroscopy studies surface atoms tion values X-ray diffraction yields