Research Progress on Modification of Co9S8-based Photocatalyst
As a typical multifunctional transition metal sulfide,Co9S8 is highly attractive because of its high conductivity,good stability,reasonable energy band structure and wide applications.Compared with pure Co9S8,Co9S8-based modified materials have greater advantages in photocatalytic applications.In this paper,the recent progress in the modification of cobalt-based photocatalytic materials were introduced,including morphology control(0D,1D,2D,3D),element doping,heterogeneous structure construction(sulfide,metal oxides,other metal-based materials,carbon-based or two-dimensional layered materials,etc.).On this basis,the challenges faced by Co9S8-based materials and the research directions for their future applications were discussed,in order to provide reference for the development and application of Co9S8.
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