To obtain a high-performance heterogeneous photo-catalyst, herein, the hetero-structured ZnIn₂S₄-NiO@MOF (ZNM) nano-sheets are designed and prepared by partial pyrolysis of nickel-based MOFs (Ni-MOF) combined with the low-temperature solvo-thermal method. The results indicate that the NiO nanoparticles, produced by partial pyrolysis of the Ni-MOF, have a high density of the surface active sites with limited aggregation, which act as a co-catalyst to capture photo-induced charge carriers. In addition, the morphology and structure of Ni-MOF nano-sheets were preserved in ZNM, which is beneficial to the reduction of the conduction barrier for the photo generated electron-hole pairs. With the synergetic advantages of co-catalyst and unique two-dimensional hetero-structure, ZNM nano-sheets exhibited significantly improved activity for photo-catalytic hydrogen production.

为了获得高性能的非均相光催化剂，本文采用异质结构的 ZnIn ₂ S ₄-NiO@MOF（ZNM）纳米片是通过镍基MOF（Ni-MOF）的部分热解结合低温溶剂热法设计和制备的。结果表明，由 Ni-MOF 部分热解产生的 NiO 纳米颗粒具有高密度的表面活性位点和有限的聚集，可作为捕获光诱导电荷载流子的助催化剂。此外，Ni-MOF纳米片的形貌和结构在ZNM中得以保留，有利于降低光生电子-空穴对的传导势垒。凭借助催化剂和独特的二维异质结构的协同优势，ZNM纳米片表现出显着提高的光催化制氢活性。