Solar Frontier produces record 20.9% CIS thin-film solar cell



Thin-film producer, Solar Frontier has produced a CIS solar cell with a record conversion efficiency of 20.9% at the Atsugi Research Center, Japan in collaboration with the New Energy and Industrial Technology Development Organization (NEDO).

Using sputtering-selenization process, which is Solar Frontier’s deposition method of choice at its volume production facilities, researchers achieved the 20.9% conversion efficiency on a 0.5cm2 CIS cell, verified by the Fraunhofer Institute ISE.

“Solar Frontier’s new 20.9% efficiency record resulted from a CIS cell cut from a 30cm by 30cm substrate produced using a sputtering-selenization formation method, the same method we use in our factories,” said Satoru Kuriyagawa, chief technology officer of Solar Frontier. “The significance is twofold: it ensures we can transfer our latest achievement into mass production faster, and it proves the long-term conversion efficiency potential of Solar Frontier’s proprietary CIS technology. Solar Frontier has entered into the next phase in the development of CIS technology, and we look forward to building on this achievement and driving our efficiency even higher.”

The latest record results surpass Solar Frontier’s previous CIS cell record of 19.7%.

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