The photo-catalyst WO₃/NiP₂@ZIF-8 was synthesized by modifying the WO₃ with NiP₂@MOFs structure. High H₂ production was achieved (341.2 µmol and 11.3 times than pure WO₃ after 5 h) and the catalytic property of WO₃ was improved. The XRD, FESEM and TEM were used to characterize and analyze the crystalline phase structure, namely, WO₃ has nanowire structure and good crystalline phase, meanwhlie, ZIF-8 exhibits regular dodecahedron morphology. The catalysts were characterized and analyzed by electrochemical, steady-state and transient state, those results show that the composite has more efficient charge separation effect and better electrical performance than single catalyst, which provides a reliable basis for relative higher H₂ production activity. The band gap structure and elemental valence of the composite catalysts were calculated and analyzed by UV–Vis DR and XPS, respectively. The possible reaction equation and H₂ production mechanism of WO₃/NiP₂@ZIF-8 in HER were proposed.

通过用NiP ₂ @MOFs结构修饰WO ₃来合成光催化剂WO ₃ / NiP ₂ ZIF-8 。H _2的生产量很高（5 h后比纯WO ₃高341.2μmol和11.3倍），并且提高了WO ₃的催化性能。用XRD，FESEM和TEM表征和分析了结晶相结构，即WO _3。ZIF-8具有纳米线结构和良好的结晶相，具有规则的十二面体形态。通过电化学，稳态和过渡态对催化剂进行了表征和分析，结果表明该复合材料比单一催化剂具有更有效的电荷分离作用和更好的电性能，为相对较高的H ₂生成活性提供了可靠的依据。通过UV-Vis DR和XPS分别计算和分析了复合催化剂的带隙结构和元素价。提出了HER ₃中WO ₃ / NiP ₂ @ ZIF-8可能的反应方程式和H ₂生成机理。