Hexachlorotriphosphazene-assisted buried interface passivation for stable and efficient wide-bandgap perovskite solar cells
Ruyue Wang, Minghua Li, Zongwen Ma, Zhang-Wei He, Yiman Dong, Yuling Zhang, Zhiyang Xu, Gangfeng Su, Zhan’ao Tan
Abstract
A buried interface treatment by hexachlorotriphosphazene is developed to suppress the open-circuit voltage ( V oc ) loss in wide bandgap perovskite solar cells (PerSCs). The PerSCs include a 1.67 eV absorber and deliver a high efficiency of 21.47%.
Topics & Concepts
PassivationPerovskite (structure)Materials scienceLimitingBand gapOpen-circuit voltageOptoelectronicsEnergy conversion efficiencyVoltageNanotechnologyChemistryElectrical engineeringCrystallographyLayer (electronics)Mechanical engineeringEngineeringPerovskite Materials and ApplicationsConducting polymers and applicationsOrganic Electronics and Photovoltaics