Acetylene adsorption on a clean iridium surface |
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| Authors: | Ts S Marinova and K L Kostov |
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| Institution: | (1) Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, 1040 Sofia, Bulgaria |
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| Abstract: | The interaction of C2H2 with a polycrystalline iridium surface at 140 K T500 K has been studied by AES, XPS and UPS. A model of the bonding between C2H2 and Ir by the 1 orbitals of the hydrocarbon is proposed. The more pronounced energy splitting between the  orbitals of acetylene during adsorption compared to that in the gas phase is ascribed to deformation of the acetylene molecule.
            C2H2     .       140 K T500 K  AES, XPS UPS.   C2H2 Ir 1-  .     -  ,  , .
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