January 1, 2023Open Access

A carbazole-based self-assembled monolayer as the hole transport layer for efficient and stable Cs0.25FA0.75Sn0.5Pb0.5I3solar cells

MPMatteo PitaroUniversity of Groningen JAJ. AlonsoUniversitat de València LMLorenzo Di MarioUniversity of Groningen

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Abstract

An analysis is provided of MA-free Sn/Pb-perovskite solar cells fabricated using PEDOT:PSS, 2PACz, and Br-2PACz as the HTL. An efficiency of 19.51% has been reached by using Br-2PACz with improved device stability, thanks to suppressed recombination.

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