Reducing photovoltage loss at the anode contact of methylammonium-free inverted perovskite solar cells by conjugated polyelectrolyte doping
He Wang, Yilong Song, Yifei Kang, Song Dang, Jing Feng, Qingfeng Dong
Abstract
Doping of conjugated polyelectrolyte (PFN-Br) in MA-free perovskite resulted in a well level matching to reduce <italic>V</italic><sub>OC</sub> loss and improve device performance, achieving a PCE of 20.32% with enhanced stability.
Topics & Concepts
DopingAnodeConjugated systemMaterials sciencePolyelectrolytePerovskite (structure)Chemical engineeringOptoelectronicsElectrodeChemistryPolymerPhysical chemistryComposite materialEngineeringPerovskite Materials and ApplicationsConducting polymers and applicationsOrganic Light-Emitting Diodes Research