Oligo(ethylene glycol)-incorporated hole transporting polymers for efficient and stable inverted perovskite solar cells
Chulhee Lim, Youngwoong Kim, Seungjin Lee, Helen Hejin Park, Nam Joong Jeon, Bumjoon J. Kim
Abstract
We develop a series of poly(triarylamine)-based polymers with hydrophilic OEG side chains. The DEG-PTAA-based perovskite solar cell shows the highest efficiency of 22.26% with superior operational stability to the other devices.
Topics & Concepts
Perovskite (structure)PolymerMaterials scienceEthylene glycolSide chainChemical engineeringSolar cellPhotovoltaic systemPolymer chemistryOptoelectronicsComposite materialEcologyBiologyEngineeringPerovskite Materials and ApplicationsConducting polymers and applicationsOrganic Light-Emitting Diodes Research