Surface charge transfer doping of narrow-bandgap Sn–Pb perovskites for high-performance tandem solar cells
Qiang Sun, Zhiguo Zhang, Haixuan Yu, Junyi Huang, Xiongjie Li, Letian Dai, Qi Wang, Yan Shen, Mingkui Wang
Abstract
This study reports on the surface charge transfer doping of narrow-bandgap Sn/Pb binary metal perovskites with benzyl viologen. The as-fabricated all perovskite two-terminal tandem solar cell exhibits a power conversion efficiency of 26.33%.
Topics & Concepts
TandemDopingMaterials scienceBand gapEnergy conversion efficiencyPerovskite (structure)OptoelectronicsCharge (physics)Solar cellPerovskite solar cellChemistryCrystallographyPhysicsComposite materialQuantum mechanicsPerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsQuantum Dots Synthesis And Properties