Ion migration inhibition and defect passivation <i>via</i> sulfonate salt coordination for high-performance perovskite solar cells with enhanced phase stability
Hanyu Wang, Wenjing Zou, Hu Luo, Yihao Quan, Yang Lang, Xingchong Liu, Haimin Li
Abstract
In this work, sulfonate salt additive 6-bromo-2-naphthyl triflate (BNT) is introduced into perovskites to inhibit ion migration and improve phase stability, achieving a champion efficiency of 21.95% and improving long-term stability.
Topics & Concepts
PassivationSulfonatePerovskite (structure)Materials scienceSalt (chemistry)TrifluoromethanesulfonateIonPhase (matter)Chemical engineeringInorganic chemistryNanotechnologySodiumLayer (electronics)ChemistryCatalysisMetallurgyOrganic chemistryEngineeringPerovskite Materials and ApplicationsConducting polymers and applicationsOrganic Light-Emitting Diodes Research