Japanese scientists have developed a tandem device with a perovskite top cell and a power conversion efficiency of up to 19.5%. They claim to have created a semi-transparent perovskite solar cell while maintaining high performance.Scientists from the University of Tokyo have achieved a 26.2% power conversion efficiency for a four-terminal tandem solar cell based on perovskite and copper, indium, gallium and selenium (CIGS). The researchers said the results represent a world record for tandem PV devices. They attributed the improvements to the performance of the perovskite top cell. They built ...Den vollständigen Artikel lesen ...
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