Designing semiconductor photocatalysts with unique structures can improve the transfer efficiency of solar energy to hydrogen (H). In this study, a dual modification method of element doping and morphological control was used. The Mn-doped hollow octahedron ZnInS (ZHO-Mn) was synthesized by a simple one-pot solvothermal method using the octahedral Mn-based metal-organic framework (Mn-MOF) as a template. Experiments and theoretical calculations show that the ZHO-Mn has additional active sites, strong light absorption ability and good photoelectric performance. The H production performance of optimized ZHO-Mn10 was the best (11.9 mmol h g), which was 7.4 times that of monomer ZnInS (1.6 mmol h g). This study provides a new one-step method for the dual control of doping and morphology of ZnInS photocatalyst.
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