Inverted perovskite solar cell based on amidinium passivator achieves 26.3% efficiency

An international research team has fabricated an inverted perovskite solar cell with an electron transport layer passivated with amidinium ligands instead of ammoniun ligands. The device achived not only a superior performance compared to reference cells treated with ammonium, but also showed remarkable stability. An international team of scientists has developed an inverted perovskite solar cell that uses a new amidinium passivator for the perovskite-electron transport layer (ETL). Inverted perovskite cells have a device structure known as "p-i-n", in which hole-selective contact p is at the ...

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