An efficient parts-per-million α-Fe2O3 nanocluster/graphene oxide catalyst for Suzuki-Miyaura coupling reactions and 4-nitrophenol reduction in aqueous solution.

A new α-Fe2O3 nanocluster/graphene oxide catalyst is found to be efficient in parts-per-million for Suzuki-Miyaura coupling and 4-nitrophenol reduction in aqueous solution, and this catalyst is recycled at least 4 times in good yields.