Researchers in China have achieved a power conversion efficiency of 28.49% of two-junction all-perovskite tandem solar cells.
Researchers devised a surface reconstruction method to minimize defects in the wide-bandgap tin-lead perovskite top cell. A team of researchers from the Huazhong University of Science and Technology in China has achieved a record-breaking power conversion efficiency of 28.49% for an all-perovskite tandem solar cell.
However, challenges related to stability and performance optimization have hindered their widespread adoption.The research team aims to address these issues through their innovative approach. They have developed a surface reconstruction technique that has been designed to reduce defects within the wide-bandgap tin-lead perovskite top cell.
This resulted in improved charge carrier transport and reduced energy losses at the perovskite-electron transport layer interface.. It features the treated Sn-Pb perovskite as the light-absorbing layer.
Environment Perovskite Solar Cells Solar Cells
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