A Z-scheme Ba 2 AgIO 6 /C 3 N 4 heterojunction enabling efficient visible-light photocatalytic H 2 O 2 production via the direct one-step two-electron O 2 reduction reaction

Novel Ba 2 AgIO 6 /C 3 N 4 Z-scheme heterojunction regulates photocatalytic H 2 O 2 production reaction pathway, achieving 535.9 μmol g −1 h −1 yield under visible light (8.8× pure C 3 N 4 ), highlighting pathway modulation's critical role for efficient catalysts.