Introducing an alternative oxidant for Spiro-OMeTAD with the reduction product to passivate perovskite defects
Xing Gao, Fei Wu, Ye Zeng, Kaixing Chen, Xiaorui Liu, Linna Zhu
Abstract
A low-cost organic oxidant IBX is used to oxidize spiro-OMeTAD. Moreover, the reduction product of IBX can passivate defects, and inhibit nonradiative recombination. The IBX-treated PSCs achieved a high efficiency of 22.45% with improved stability.
Topics & Concepts
PassivationMaterials scienceReduction (mathematics)Perovskite (structure)Product (mathematics)PhotochemistryNanotechnologyOrganic chemistryChemistryLayer (electronics)GeometryMathematicsPerovskite Materials and ApplicationsPolyoxometalates: Synthesis and ApplicationsOxidative Organic Chemistry Reactions