Synergistic contributions by decreasing overpotential and enhancing charge-transfer in α-Fe <sub>2</sub> O <sub>3</sub> /Mn <sub>3</sub> O <sub>4</sub> /graphene catalysts with heterostructures for photocatalytic water oxidationShunli Yin, Ping Yang, Zhigang Mou et al.|Physical Chemistry Chemical Physics|2014Cited by 46