Boosting Photocatalytic Hydrogen Evolution by Ultrafast Charge Transfer in a ZnS-CdS Z-Scheme Heterojunction with an Intercalated Co 9 S 8 Layer

Key Points

• The study aims to improve hydrogen evolution rates using a Z-scheme photocatalyst structure.
• Designed a Z-scheme heterojunction using ZnS, CdS, and Co 9 S 8 via cation exchange.
• Constructed a novel interfacial structure.
• Analyzed charge transfer dynamics to evaluate photocatalytic performance.
• Achieved significant acceleration in hydrogen evolution rates.
• Demonstrated effective ultrafast charge transfer capabilities within the photocatalyst.
• Showed improved energy conversion efficiency compared to traditional Type-I heterojunctions.