Swedish thin film solar cell company Midsummer has demonstrated a tandem thin-film solar cell that hits 24.9% efficiency. Midsummer makes CIGS (copper indium gallium selenide) solar cells, and it collaborated with University of California, Los Angeles and Pioneer Materials to stack a perovskite cell on top of one of its products to make the tandem ...

The post Perovskite-CIGS tandem solar cell is 24.9% efficient appeared first on Electronics Weekly.