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Report No.

Reaction of C$$_{2}$$H$$_{4}$$ on Cu(111) using supersonic C$$_{2}$$H$$_{4}$$ molecular beam

Makino, Takamasa*; Tsuda, Yasutaka*; Tsukada, Chie; Yoshigoe, Akitaka ; Okada, Michio*

Studies on the interaction between ethylene molecule and metal surfaces are the important subject to understand catalyitic reactions such as dehydrogenation. To clarify dissociation adsorption processes of ethylene at metal surfaces, the surface analysis after exposure of ethylene to Cu(111) surface was conducted by using synchrotron radiation XPS. We found the growth of peak intensities and the peak shifted to higher binding energy side when ethylene beams with the kinetic energy of 2 eV were irradiated at the surface temperature of 300 K. The adsorption states and surface temperature dependece of reactions will be discussed.



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