Enhancing the stability of perovskite solar cells through cross-linkable and hydrogen bonding multifunctional additives
Xiaodong Li, Shanzhe Ke, Xiuxiu Feng, Xiao-Yan Zhao, Wenxiao Zhang, Junfeng Fang
Abstract
DPPA additive is introduced into perovskite film to inhibition migration through crosslinking and hydrogen bonding. Resulting devices exhibit >22% efficiency good stability, retaining >90% of maximum efficiency after MPP tracking for 800 hours.
Topics & Concepts
Perovskite (structure)Materials scienceHydrogen bondChemical engineeringEngineering physicsNanotechnologyChemistryEngineeringMoleculeOrganic chemistryPerovskite Materials and ApplicationsConducting polymers and applicationsChalcogenide Semiconductor Thin Films