Korean research institute claims 12.2% efficiency world record for flexible CTZS solar cell

Korean manufacturer SolarFlex Ltd will now seek to bring the solar cell to commercial production.Scientists at South Korea's Daegu Gyeongbuk Institute of Science and Technology (DGIST) have achieved a power conversion efficiency of 12.2% for a copper zinc tin sulfide (CZTS) solar cell built on a flexible substrate and with a size of over 1cm². The result, which the researchers said is a world record for the CZTS PV technology, improves the cell's previous record efficiency of 11.4%, which they achieved in November 2019. In 2013, Japanese manufacturer Solar Frontier had obtained a 12.6% efficiency ...

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