Unlocking Ultrahigh Solar-to-Hydrogen Efficiency in 2D GaN via Sscheme Heterojunctions with HfSxSe2-x

Key Points

• The aim is to enhance the efficiency of 2D GaN as a photocatalyst for solar-to-hydrogen conversion.
• Evaluated heterojunctions using HfSxSe2-x with GaN.
• Conducted tests on the stability and absorption properties of GaN under UV light.
• Analyzed overall water splitting efficiency through various conditions.
• Achieved notable improvements in solar-to-hydrogen conversion efficiency.
• Demonstrated that heterojunctions significantly enhance photocatalytic performance.
• Confirmed robust stability of GaN in actual water splitting conditions.