April 11, 2014
By Sandy Dechert, Planetsave In the close race for PV efficiency, copper indium gallium (di)selenide cells have taken the lead again in tests at the Atsugi Research Center in Kanagawa, Japan. The Fraunhofer Institute, Europe’s largest application-oriented research organization, has independently verified the results. A Solar Frontier 0.5cm2 CIS configuration achieved 20.9% conversion efficiency, a […]