Perovskite-CIGS tandem solar cell based on fexible steel substrate achieves record-breaking efficiency of 18.1%

Scientists in Australia claim to have achieved the highest efficiency ever reported to date for a perovskite-CIGS tandem solar cell built on a flexible steel substrate. In the proposed cell configuration, steel itself can act as both a substrate and an electrode. A group of scientists led by the University of Sydney has fabricated a tandem photovoltaic cell based on copper, indium, gallium and selenium (CIGS) thin-film technology and perovskite. The device utilizes a flexible substrate made of steel instead of glass. The advantage of the flexible and conductive steel substrate is represented by ...

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