biostudies-literatureLi ANational Natural Science Foundation of ChinaProgram for New Century Excellent Talents in University890-895https://www.ebi.ac.uk/biostudies/studies/S-EPMC5530359biostudies-literatureUnknown7(2)Efficient charge separation is a critical factor for solar energy conversion by heterogeneous photocatalysts. This paper describes the complete spatial separation of oxidation and reduction cocatalysts to enhance the efficacy of charge separation and surface reaction. Specifically, we design Pt@TiO₂@MnO _<i>x</i> hollow spheres (PTM-HSs) with Pt and MnO _<i>x</i> loaded onto the inner and outer surface of TiO₂ shells, respectively. Pt favours electron trapping, while MnO _<i>x</i> tends to collect holes. Upon generation from TiO₂, electrons and holes flow inward and outward of the spherical photocatalyst, accumulating on the corresponding cocatalysts, and then take part in redox reactions. Combined with other advantages, such aChemical scienceSpatial separation of oxidation and reduction co-catalysts for efficient charge separation: Pt@TiO₂@MnO _<i>x</i> hollow spheres for photocatalytic reactions.PMC5530359U1463205NCET-10-0611212226045130218521525626Zhang JWang TLi AGong JChang XCai WZhang PfalseSpatial separation of oxidation and reduction co-catalysts for efficient charge separation: Pt@TiO₂@MnO _<i>x</i> hollow spheres for photocatalytic reactions.Efficient charge separation is a critical factor for solar energy conversion by heterogeneous photocatalysts. This paper describes the complete spatial separation of oxidation and reduction cocatalysts to enhance the efficacy of charge separation and surface reaction. Specifically, we design Pt@TiO₂@MnO _<i>x</i> hollow spheres (PTM-HSs) with Pt and MnO _<i>x</i> loaded onto the inner and outer surface of TiO₂ shells, respectively. Pt favours electron trapping, while MnO _<i>x</i> tends to collect holes. Upon generation from TiO₂, electrons and holes flow inward and outward of the spherical photocatalyst, accumulating on the corresponding cocatalysts, and then take part in redox reactions. Combined with other advantages, such a2016-01-01T00:00:00Z2016 Feb2025-04-04T12:50:19.215Z2019-03-27T02:51:49ZS-EPMC55303592879112010.1039/c5sc04163e