A highly active Rh1/CeO2 single-atom catalyst for low-temperature CO oxidation

Abstract

Rh₁/CeO₂ single-atom catalyst is highly active for CO oxidation and has the potential to serve as a multifunctional catalyst to save the usage of other noble metals in three-way catalysts. The high activity is achieved on single-atom active sites via the Mars–van Krevelen mechanism, thus avoiding CO poisoning at low temperatures.