Continuously graded-doped SnO2 for efficient n–i–p perovskite solar cells
Breaking the Efficiency Ceiling: The New Era of Perovskite Solar Cells For years, the solar industry has looked toward perovskite photovoltaics as the “holy grail” of renewable energy. However, a specific design—the conventional n–i–p architecture—had hit a frustrating wall. While robust and scalable, its steady-state efficiency had effectively stagnated at around 26%, trailing behind its … Read more