A theoretical study on CO sensing mechanism of In-doped SnO2 (1Â 1Â 0) surface

Potential energy diagram of two reaction pathways, R1 (L-InB) → TS1 → P (InB) and R2 (Op) → TS2 → P (InB). CO can be easily oxidized to CO2 on the bridge site of the In-doped SnO2 (1 1 0) surface.