China Reclaims Solar Crown With Record-Breaking Perovskite Panel

Last year, South Korea’s Qcells set the world record for large-area silicon solar cell efficiency, a development that promised to dramatically shrink the size of solar projects and slash costs.

Qcells, a subsidiary of South Korea’s giant conglomerate Hanwha Corp, set the world record after achieving 28. 6% efficiency by combining a top light-absorbing layer of perovskite with a bottom silicon layer to capture a broader spectrum of sunlight.