South Korean researchers have fabricated a copper indium gallium selenide (CIGS) solar cell with a 90 μm-thick UTG provided by South Korea's Unique Technology Integral. The device uses a cadmium-free ...

Researchers from the US Department of Energy's National Renewable Energy Laboratory (NREL) have developed a III-V solar cell based on a substrate made of spalled germanium (Ge). They used spalled ...