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First Solar, Inc. has claimed a world record for cadmium-telluride (CdTe) photovoltaic (PV) research cell conversion efficiency, achieving 22.1 percent efficiency certified at the Newport Corporation’s Technology and Applications Center (TAC) PV Lab.

First Solar claims CdTe PV conversion efficiency world record - Electronics Eetimes

Driving forward in the race for highly efficient solar cells, First Solar says it has converted 22.1 percent of the energy in sunlight into electricity using experimental cells made from cadmium telluride—a technology that today represents around 5 percent of the worldwide solar power market. The company’s commercial line of solar cells has reached an energy conversion efficiency of 16.4 percent. The theoretical efficiency limit for cadmium telluride cells is above 30 percent—significantly higher than that of conventional silicon.

First Solar’s Cells Break Efficiency Record