In situ construction of a heterojunction over the surface of a sandwich structure semiconductor for highly efficient photocatalytic H 2 evolution under visible light irradiation

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Constructing a heterojunction on the MnSb 2 S 4 of a sandwich structure ([SbS] + –[MnS 2 ] 2− –[SbS] + ) is more favorable to the separation of photogenerated charge to improve photocatalytic activity.