In Bengaluru, a team at the Centre for Nano and Soft Matter Sciences has developed an innovative solar-powered device that can produce green hydrogen from water using only solar energy, eliminating the reliance on fossil fuels. Led by Dr. Ashutosh K. Singh, the team engineered a cutting-edge silicon-based photoanode with a unique n-i-p heterojunction architecture, incorporating titanium dioxide, silicon, and nickel oxide semiconductors. This design enhances charge separation and transport efficiency, crucial for effective solar-to-hydrogen conversion. The device has demonstrated impressive performance metrics, including high efficiency in generating hydrogen and exceptional long-term stability. It operates continuously for over 10 hours with minimal performance degradation. Scalability is a key feature, as the team successfully tested a large-scale photoanode, making the device cost-effective and practical for various applications. Published in the Journal of Materials Chemistry A, the research marks a significant advancement in hydrogen energy technology, with the potential to transform energy systems globally towards sustainability.