Co_(1-x)ZnxIn2S4 Photocatalysts for Photocatalytic H2 Production Activity

摘要

In this work,Co_(1-x)ZnxIn2S4 nanocomposites photocatalysts were synthesized by hydrothermal method,and characterized by UV-visible DRS.The prepared Co_(0.5)Zn_(0.5)In2S4 nanocomposites,which exhibits the highest H2production rate,the value is 36.08 umol·h~(-1)·g~(-1),exceeding more than 8 times compared with the pure ZnIn2S4 and CoIn2S4.Co_(0.5)Zn_(0.5)In2S4 nanocomposites also has good reuse and stability.Two reasons lead to higher photocatalytic H2 production activity are enough visible-light absorption capacity and suitable conduction band potential of the Co_(0.5)Zn_(0.5)In2S4.In this research,it is proven that Co_(0.5)Zn_(0.5)ln2S4nanocompositesphotocatalystscan enhance the photocatalytic H2 production activity.The significant improvement in the performance of Co_(0.5)Zn_(0.5)ln2S4 nanocomposites is mainly due to effective charge separation.