A carbazole-based self-assembled monolayer as the hole transport layer for efficient and stable Cs<sub>0.25</sub>FA<sub>0.75</sub>Sn<sub>0.5</sub>Pb<sub>0.5</sub>I<sub>3</sub>solar cells
Matteo Pitaro, J. Alonso, Lorenzo Di Mario, David Garcia Romero, Karolina Tran, Teodor Zaharia, Malin B. Johansson, Erik M. J. Johansson, Maria Antonietta Loi
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.
Topics & Concepts
Perovskite (structure)MonolayerPEDOT:PSSMaterials scienceCarbazoleLayer (electronics)RecombinationOptoelectronicsChemical engineeringNanotechnologyAnalytical Chemistry (journal)CrystallographyChemistryPhotochemistryOrganic chemistryEngineeringBiochemistryGenePerovskite Materials and ApplicationsOrganic Electronics and PhotovoltaicsOrganic Light-Emitting Diodes Research