采用两步水热法制备了分散性较好的镉锌硫基/氮掺杂氮化碳（Cd_0.5Zn_0.5S/N-g-C₃N₄）复合催化剂。利用扫描电子显微镜、透射电子显微镜、X射线光电子能谱和X射线衍射仪对所制备的催化剂微观形貌和结构进行表征，并通过瞬态光电流法和气相色谱仪对其产氢性能进行分析。结果表明，Cd_0.5Zn_0.5S/N-g-C₃N₄复合催化剂具有较好的催化性能，产氢速率为20.431 μmol/h，Cd_0.5Zn_0.5S/N-g-C₃N₄复合光催化剂有较高的氧化还原电势和电荷载体的快速迁移能力。

Cadmium-zinc-sulfur-based/nitrogen-doped carbon nitride (Cd_0.5Zn_0.5S/N-g-C₃N₄) composite catalyst with a good dispersity is prepared by means of two-step hydrothermal method.The micro morphology and structure of the prepared catalyst are characterized by scanning electron microscope, transmission electron microscope, X-ray photoelectron spectroscopy and X-ray diffraction.Its hydrogen production performance is evaluated by transient photocurrent method and gas chromatograph.The results indicate that Cd_0.5Zn_0.5S/N-g-C₃N₄ composite catalyst has better catalytic performance, with a hydrogen production rate of 20.431 μmol·h^-1.Cd_0.5Zn_0.5S/N-g-C₃N₄ composite photocatalyst has high redox potential and rapid charge carrier migration ability.

袁钊(1996-),男,硕士研究生,研究方向为光电催化析氢,273554475@qq.com