Bias-Free, High-Rate Solar Hydrogen Production in Alkaline Media with a NiCo-Coupled Perovskite Photocathode

Key Points

• The aim is to develop a bias-free photoelectrochemical cell for efficient hydrogen production using solar energy.
• Integrated a perovskite photocathode with bifunctional properties in a PEC cell.
• Tested hydrogen production rates under varying alkaline conditions.
• Implemented measurements of solar energy conversion efficiency.
• Achieved high rates of hydrogen production without external bias, indicating a breakthrough in efficiency.
• Demonstrated enhanced stability of the photocathode in alkaline media over time.
• Results indicate a significant improvement in overall solar-to-hydrogen conversion efficiency.