Acid-base surface-driven NO-CO conversion over copper-manganese-based metal oxides

Abstract

Recently, tuning catalytic material has gained huge importance for enhancing the catalytic performance of reactions. The present work describes the influence of aluminum in copper-manganese composite oxide with respect to the NO-CO redox reaction. The Al sup(3+) fabricated composite oxide showed the highest conversion in a lower temperature window. The nanocomposite metal oxide of Cu-Mn formed as a porous structure with aluminum and helped in establishing a more surface acidic/basic character on the catalyst. These acidic/basic sites are crucial in activating the NO and CO chemisorption for significant redox conversion.