Charge transport regulation in Cu 1.94 S-ZnS-Co 9 S 8 heterostructures via band alignment engineering for photocatalytic hydrogen evolution

Key Points

• The study aims to explore how band alignment can regulate charge transport in specific heterostructures for photocatalytic applications.
• Utilized a sequential cation exchange reaction to create two types of ternary sulphide nanostructures.
• Maintained comparable bulk composition, crystal structure, particle size, and interfacial quality across samples.
• Demonstrated effective charge transport regulation via precise band alignment in the heterostructures.
• Achieved enhanced photocatalytic hydrogen evolution rates compared to traditional methods.