Aerobic epoxidation of propene over silver (1Â 1Â 1) and (1Â 0Â 0) facet catalysts

► Aerobic propene epoxidation on Ag(1 0 0) and Ag(1 1 1) surfaces. ► Mechanism of aerobic epoxidation of propene on silver catalyst. ► Ag(1 0 0) as selective catalyst for epoxidation of propene with O2.