Scientists from the Centre for Nano and Soft Matter Sciences (CeNS) in Bengaluru, India, have introduced a groundbreaking solar-powered device for green hydrogen production. The innovative system relies solely on solar energy, without the need for fossil fuels or expensive resources. By utilizing a silicon-based photoanode with a unique n-i-p heterojunction architecture, the device enhances charge separation and transport efficiency, leading to efficient solar-to-hydrogen conversion. The research team deposited materials using magnetron sputtering, ensuring precision and efficiency in the manufacturing process. The device achieved impressive results, including an excellent surface photovoltage of 600 mV, a low onset potential of around 0.11 VRHE, and long-term stability with only a 4 percent performance drop after operating continuously for over 10 hours. The development has generated excitement due to its potential to revolutionize green hydrogen production, offering high efficiency, durability, and cost-effectiveness. Dr. Ashutosh K. Singh, the leader of the research team, highlighted that the device could be scaled up for large-scale production, bringing affordable solar-to-hydrogen energy systems closer to reality. This advancement aligns with global trends towards sustainable energy solutions, with various countries focusing on green hydrogen production to reduce greenhouse gas emissions and transition towards cleaner energy sources. The research landscape in this area is dynamic, with ongoing projects worldwide aiming to enhance the efficiency and scalability of green hydrogen technologies. In a similar vein, a research team from Hanyang University ERICA campus in South Korea recently announced a novel technology for green hydrogen production. By developing cobalt phosphides-based nanomaterials with improved performance and cost-efficiency, the Korean team showcased another innovative approach to large-scale hydrogen generation. These developments underscore the growing importance of green hydrogen as a key player in the transition to a more sustainable and environmentally friendly energy future.