This technology applies advanced thin-film deposition methods, originally developed for fusion materials research, to the fabrication of high-performance coatings for solar energy devices. Developed through collaboration between CIEMAT’s Laboratory for Fusion Technology (LNF) and the Solar Energy Division, the technology leverages magnetron sputtering to produce functional semiconductor and ceramic films with tailored optical, electronic, and mechanical properties. These coatings enable improved light absorption, durability, and efficiency in photovoltaic systems, bridging fusion plasma expertise with renewable energy innovation.