Promising effect of Ag/Rh paired mesoporous composite-oxide for low temperature NO-CO reaction

Abstract

A promising effect of the silver and rhodium binary precious metals added composite oxide was investigated for NO-CO redox reaction. The interaction of Ag and Rh enhanced the catalytic property of the overall composite catalyst which brought to 100 percent conversion of NO and CO at significantly low temperature of 150 degrees C. Additionally, mesoporous structure composed of such active nano-particles leads in high oxygen mobility and CO reactivity on catalyst surface, showing a good agreement with catalytic performance. Such catalytic enhancement conveys the transfer of electronic cloud from Ag to Rh which is pointing towards good synergy between active Ag-Rh pairs.