Inhibiting metal-inward diffusion-induced degradation through strong chemical coordination toward stable and efficient inverted perovskite solar cells
Jiabao Yang, Qi Cao, Tong Wang, Bowen Yang, Xingyu Pu, Yixin Zhang, Hui Chen, Ilhom Tojiboyev, Yuke Li, Lioz Etgar, Xuanhua Li, Anders Hagfeldt
Abstract
Firstly, we introduce a triazine molecule in the bathocuproine layer, which can prevent the inward diffusion of the metal electrodes via strong chemical coordination. The champion device achieved an efficiency of 22.60% and excellent stability.
Topics & Concepts
DiffusionPerovskite (structure)ChampionDegradation (telecommunications)MetalTriazineMaterials scienceChemical physicsLayer (electronics)MoleculeDiffusion barrierChemical engineeringChemistryNanotechnologyCrystallographyComputer scienceMetallurgyThermodynamicsOrganic chemistryPhysicsPolymer chemistryLawTelecommunicationsEngineeringPolitical sciencePerovskite Materials and ApplicationsConducting polymers and applicationsOrganic Light-Emitting Diodes Research