Efficient and Stable Ruddlesden-Popper Layered Tin-based Perovskite Solar Cells Enabled by Ionic Liquid Bulky Spacers (IMAGE)

Science China Press

Efficient and Stable Ruddlesden-Popper Layered Tin-based Perovskite Solar Cells Enabled by Ionic Liquid Bulky Spacers

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The picture of ionic liquid bulky spacer BAAcO (top left); The improved efficiency of 2DRP Sn PSCs based on BAAcO (top right); Schematic diagram of improved stability in 2DRP Sn perovskite films based on +BAAcO (down left); The enhanced stability of 2DRP Sn PSCs based on BAAcO (down right).

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