Solar Frontier has clocked a 12.6% performance for one of its development-stage CZTS cells – which substitute zinc and tin for indium within Solar Frontier’s bread-and-butter copper, indium, selenide (CIS) cells.

While CIS and CIGS cells hold the most potential for snatching the crown from Cadmium Telluride as the dominant thin-film PV technology in the years ahead, Solar Frontier – the world’s largest CIS player – is already looking beyond that.

Although