Fabrication of stable perovskite solar cells with efficiency over 20% in open air using <i>in situ</i> polymerized bi-functional additives
Lei Ning, Providence Buregeya Ingabire, Ningxia Gu, Pingfan Du, Dongfang Lv, Xiang Chen, Lixin Song, Wei‐Hsiang Chen, Jie Xiong
Abstract
The TFEMA dimers formed via an in situ polymerization strategy can passivate defects and tune energy band alignment. The PSCs fabricated under open air conditions achieve a champion efficiency of 20.18% with enhanced moisture and thermal stability.
Topics & Concepts
PassivationFabricationIn situMaterials sciencePolymerizationPerovskite (structure)Thermal stabilityChemical engineeringMoistureIn situ polymerizationDopingNanotechnologyOptoelectronicsChemistryComposite materialOrganic chemistryPolymerLayer (electronics)EngineeringAlternative medicineMedicinePathologyPerovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesConducting polymers and applications