Size Effect of Platinum Nanoparticles over Platinum–Manganese Oxide on the Low-Temperature Oxidation of Toluene

Catalytic Oxidation of Toluene over Pt/CeO2 Catalysts: A Double-Edged Sword Effect of Strong Metal–Support Interaction

“…In recent years, the catalytic materials of metal nanoparticles loaded on ceria surface have attracted wide attention, which show excellent performances for efficient oxidation of VOCs. − As a typical active support, the ceria support could take part in the reaction directly and accelerate oxygen circulation; moreover, a strong interaction between the noble metal and the ceria support might occur on the surface, bringing about charge transfer and atom migration. As a result, the electronic and structural properties of catalysts would be changed significantly, deeply influencing the catalytic activity, selectivity, and stability. − Lu et al found that tunable partial negative charges on Pt were achieved by suppressing roughening of the support surface, favoring O 2 spillover from TiO 2 to Pt . Zhang et al suggested that the Pt particle size would affect the chemical valence of Pt and adjust the strong metal–support interaction .…”

“…As a result, the electronic and structural properties of catalysts would be changed significantly, deeply influencing the catalytic activity, selectivity, and stability. − Lu et al found that tunable partial negative charges on Pt were achieved by suppressing roughening of the support surface, favoring O 2 spillover from TiO 2 to Pt . Zhang et al suggested that the Pt particle size would affect the chemical valence of Pt and adjust the strong metal–support interaction . Although these studies obtain valuable understanding for strong metal–support interaction, little research reveals the correlation of strong metal–support interaction (SMSI) with VOC catalytic oxidation over catalytic materials of metal loaded on CeO 2 support.…”