Recently, CdS has been intensively investigated for its excellent photocatalytic hydrogen (H 2 ) evolution property. However, the poor stability and serious photocorrosion severely influence its potential for practical application. In this work, we successfully synthesized Bi surface plasmon resonance (SPR)-promoted Z-scheme Bi 2 MoO 6 nanosheet/CdS-diethylenetriamine (Bi–Bi 2 MoO 6 /CdS-DETA) composites via an in situ solvothermal method. Crystalline structure, morphology, electrochemical properties, along with the photocatalytic H 2 evolution activity and stability, have been systematically investigated. The as-prepared Bi–Bi 2 MoO 6 /CdS-DETA composites with optimized structure exhibited advanced photocatalytic H 2 evolution activity (reach to 7.37 mmol h –1 g –1 ) and high stability. Largely exposed active sites, effective Z-scheme charge separation and Bi metal SPR effect of the two-dimension (2D) heterostructure is contributed to improve H 2 generation performance of Bi–Bi 2 MoO 6 /CdS-DETA composites. This work provides an effective way to develop solar energy utilization of CdS-based photocatalysts and guarantees a promising future for design and growth of visible light response and sustainable photocatalytic materials by taking both properties and architectural features into consideration.
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Lv et al. (2017) studied this question.
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