Beyond hydrophobicity: how F4-TCNQ doping of the hole transport material improves stability of mesoporous triple-cation perovskite solar cells
Maning Liu, Staffan Dahlström, Christian Ahläng, Sebastian Wilken, Aleksandr E. Degterev, Anastasia Matuhina, Mahboubeh Hadadian, Magnus Markkanen, Kerttu Aitola, Aleksi Kamppinen, Jan Deska, Oliver Mangs, Mathias Nyman, Peter D. Lund, Jan‐Henrik Smått, Ronald Österbacka, Paola Vivo
Abstract
High uniformity of hydrophobic F4-TCNQ doping in the spiro-OMeTAD layer hinders the dopant migration towards the anode as well as the dopant aggregation, leading to a T 80 shelf-lifetime of >1 year.
Topics & Concepts
DopantPerovskite (structure)DopingMesoporous materialMaterials scienceAnodeLayer (electronics)Chemical engineeringMesoporous silicaOptoelectronicsNanotechnologyChemistryOrganic chemistryPhysical chemistryElectrodeCatalysisEngineeringPerovskite Materials and ApplicationsOrganic and Molecular Conductors ResearchOrganic Light-Emitting Diodes Research