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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Results 1-3 of 6
Page 60
... equation K = ( 2mE ) 1 / 2 / ħ ( 4.1 ) where m is the mass of the electron , ħ is Planck's constant divided by 2π , and E is the kinetic energy of the photoelectron . The energy E is the difference between the X - ray energy and a ...
... equation K = ( 2mE ) 1 / 2 / ħ ( 4.1 ) where m is the mass of the electron , ħ is Planck's constant divided by 2π , and E is the kinetic energy of the photoelectron . The energy E is the difference between the X - ray energy and a ...
Page 63
... equation X ( K ) = N1 KR12 F1 ( K ) exp ( -2K202 ) sin [ 2KR , + 281 ( K ) ] ( 4.9 ) where the subscript 1 signifies nearest neighbor atoms . The quantities in this equation have been defined in the discussion of Eqs . 4.3 and 4.4 ...
... equation X ( K ) = N1 KR12 F1 ( K ) exp ( -2K202 ) sin [ 2KR , + 281 ( K ) ] ( 4.9 ) where the subscript 1 signifies nearest neighbor atoms . The quantities in this equation have been defined in the discussion of Eqs . 4.3 and 4.4 ...
Page 104
... equation applies only to the contribution of nearest neighbor atoms to the EXAFS . The phase shift 28 ( K ) is taken to be equal to that for pure iridium for reasons we have already discussed . To obtain the desired function I , ( K ) ...
... equation applies only to the contribution of nearest neighbor atoms to the EXAFS . The phase shift 28 ( K ) is taken to be equal to that for pure iridium for reasons we have already discussed . To obtain the desired function I , ( K ) ...
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