Enhanced propylene oxide selectivity for gas phase direct propylene epoxidation by lattice expansion of silver atoms on nickel nanoparticles by Yu, B, Ayvalı, T, Raine, E, Li, T, Li, MM-J, Zheng, J, Wu, S, Bagabas, AA, Tsang, SCE

“…A series of surfactant-free nickel-core and silver-shell (Ni@Ag) nanoparticles encapsulated within the mesopores of SBA-15 were synthesized and tested as catalysts for direct propylene oxidation by molecular oxygen. …”