Expert's Opinion

Performance-Improvement Mechanisms of Tin-Based Perovskite Solar Cells

University of Tsukuba researchers have discovered a mechanism that improves the performance of these cells.

Perovskite solar cells are attracting attention as next-generation solar cells. These cells have high efficiency, are flexible, and can be printed, among other features. However, lead was initially used in their manufacture, and its toxicity has become an environmental issue. Therefore, a method for replacing lead with tin, which has a low environmental impact, has been proposed. Nevertheless, tin is easily oxidized; consequently, the efficiency and durability of tin perovskite solar cells...

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