What Materials Are Used to Make Solar Panels?

Solar panels arranged in rows outdoors

Solar panels are made primarily from silicon-based solar cells, protected by tempered glass, supported by aluminum frames, and interconnected with copper and silver conductors, while encapsulation layers and polymer backsheets provide insulation, durability, and weather resistance. Modern photovoltaic panels are engineered composites rather than single-material products, and each layer serves a specific electrical, structural, or … Read more