Consolidating a Pb–X framework <i>via</i> multifunctional passivation with fluorinated zwitterions for efficient and stable perovskite solar cells
Hanyu Wang, Wenjing Zou, Yukun Ouyang, Xiong Deng, Hu Luo, Juehao Xu, Xingchong Liu, Haimin Li, Xiaoli Gong, Yue Lei, Yafei Ni, Yongshan Peng
Abstract
Multifunctional fluorinated D-PFPAA zwitterions can reduce the number of ionic defects and consolidate Pb–X framework, suppressing ion migration, and form a hydrophobic barrier, significantly improving the power conversion efficiency and stability.
Topics & Concepts
PassivationPerovskite (structure)Energy conversion efficiencyIonic bondingIonChemical engineeringMaterials scienceInorganic chemistryNanotechnologyChemistryOptoelectronicsLayer (electronics)Organic chemistryEngineeringPerovskite Materials and ApplicationsConducting polymers and applicationsAdvanced battery technologies research