Scientists split water molecules for green hydrogen using only solar energy

Scientists have developed a scalable solar-powered device for producing green hydrogen by splitting water molecules. The system, created by Indian researchers, uses a silicon-based photoanode with an innovative semiconductor layer architecture to enhance efficiency and stability. The device achieves high performance without relying on fossil fuels or expensive materials, demonstrating excellent surface photovoltage, low onset potential, and long-term stability. This breakthrough could advance affordable, large-scale solar-to-hydrogen energy systems for various applications.