Conjugated polyelectrolyte with potassium cations enables inverted perovskite solar cells with an efficiency over 20%
Luozheng Zhang, Xianyong Zhou, Jiaming Xie, Shi Chen, Sang‐Hoon Bae, Jeehwan Kim, Baomin Xu
Abstract
A conjugated polyelectrolyte bearing stronger ability of defect-passivation and hole-extraction yields an efficiency of 20.01% as a hole transporting material.
Topics & Concepts
PolyelectrolytePassivationConjugated systemEnergy conversion efficiencyMaterials sciencePotassiumPerovskite (structure)Extraction (chemistry)Chemical engineeringInorganic chemistryPolymerChemistryNanotechnologyOptoelectronicsOrganic chemistryLayer (electronics)Composite materialMetallurgyEngineeringPerovskite Materials and ApplicationsOrganic Light-Emitting Diodes ResearchQuantum Dots Synthesis And Properties