The black material in solar panels primarily consists of silicon, metal conductive materials, and anti-reflective coatings. WE HELP NEWCOMERS to the solar industry start their own solar module production line. Silicon is the central active element, forming. Most panels on the market are made of monocrystalline, polycrystalline, or thin film ("amorphous”) silicon. This is because its semiconducting properties allow it to convert sunlight into electricity (i. Here are the eight essential components that make up a solar PV module: 1. Aluminum Alloy Frames Regarding solar.