The Department of Physics at the University of Trento has conducted research on utilizing two-dimensional materials, specifically graphitic carbon nitride, for the clean production of hydrogen through photoelectrochemistry. This method mimics natural photosynthesis by using sunlight and water to generate hydrogen without producing harmful emissions. The study, published in the scientific journal Carbon, indicates that single atomic layers of photocatalysts based on graphitic carbon nitride exhibit superior performance in breaking the chemical bond of water molecules for hydrogen production. The research team's innovative approach aims to address the limitations of current hydrogen production methods, such as steam reforming, which rely on fossil fuels. By focusing on photoelectrochemical cells, the team advocates for a sustainable process that does not use non-renewable energy sources. Lead author Francesca Martini highlights the unique mechanisms of the semiconductor, emphasizing the efficient movement of electrons within the material. The study reveals the surprising behavior of electrons in carbon nitride, showcasing a new understanding of electron dynamics in the photocatalyst. The project, part of the H2@Tn initiative supported by the Province of Trento, aims to revolutionize green hydrogen production. The team plans to conduct further simulations to identify improved catalysts, paving the way for enhanced efficiency in hydrogen generation. This research signifies a significant advancement in renewable energy and reinforces the University of Trento's position as a leader in sustainable energy research.