Extended Data Fig. 9: Perovskite solar cells fabricated with undoped/doped polymer films as the electron transporting layer (ETL). | Nature

Extended Data Fig. 9: Perovskite solar cells fabricated with undoped/doped polymer films as the electron transporting layer (ETL).

From: Transition metal-catalysed molecular n-doping of organic semiconductors

Extended Data Fig. 9: Perovskite solar cells fabricated with undoped/doped polymer films as the electron transporting layer (ETL).

a, Perovskite cell structure, chemical structures of the hole transporting layer (HTL) and ETL polymers used in this study. b, J–V plots of the best device using PDTzTIT polymer as ETL. c, J–V plots of the best device using PDTzTIT-2F polymer as ETL.

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