Blocking multifaceted degradation pathways <i>via</i> fluorinated hydrogen-bond armor for stable perovskite solar cells
Yilin Gao, Yuehui Li, Guozhen Liu, Naitian Zhang, Siao Li, Z X Wang, Zheng Lv, Yinjuan Zhang, Lin Yang, Jie Zhang, LingHui Zhang, Wenrui Li, WenMing Tian, W. Li, Zhehan Ying, Jijun Qiu, Yantao Shi
Abstract
The fluorinated hydrogen-bond armor strategy was proposed to comprehensively protect formamidinium cations from deprotonation. The device achieved high efficiency of 26.51% and exceptional durability under ISOS- l -2 and ISOS- d -2 protocols.
Topics & Concepts
FormamidiniumDegradation (telecommunications)Perovskite (structure)Blocking (statistics)Materials scienceDurabilityChemical engineeringChemistryArmourNanotechnologyPerovskite Materials and ApplicationsTiO2 Photocatalysis and Solar CellsOrganic Light-Emitting Diodes Research