Interfacial engineering with trivalent cations for efficient and stable inverted inorganic perovskite solar cells
Zezhang Wang, Tianfei Xu, Nan Li, Yali Liu, Kun Li, Zihao Fan, Jieke Tan, Dehong Chen, Shengzhong Liu, Wanchun Xiang
Abstract
p–i–n inorganic PSCs with ytterbium cation surface treatment achieve an efficiency of 21.4% with enhanced stability, benefiting from improved interfacial band energy alignment, reduced surface defects and iodide migration.
Topics & Concepts
Perovskite (structure)IodideYtterbiumMaterials scienceChemical engineeringSurface energyInorganic chemistryOptoelectronicsChemistryDopingComposite materialEngineeringPerovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesAdvanced Photocatalysis Techniques