Author/Authors :
Cao، نويسنده , , Gengyu and Seimiya، نويسنده , , Yoshiyuki and Ohno، نويسنده , , Yuichi and Matsushima، نويسنده , , Tatsuo، نويسنده ,
Abstract :
Reaction sites working in CO oxidation at the steady state were studied over Pt(113)=(s)2(111)×(001) through analysis of the angular and velocity distributions of the desorbing product CO2. The site preference was found to switch from the (111) site to (001) sharply in the boundary between the active region and the inhibited zone above critical CO pressures. A large difference was found in the translational energy of CO2 produced on each site.
