Interfacial defect passivation by using diethyl phosphate salts for high-efficiency and stable perovskite solar cells
Xuan Sha, Jiang Sheng, Weichuang Yang, Jingsong Sun, Chunhui Shou, Luyan Zhang, Ningjun Zhang, Zhiqin Ying, Xi Yang, Hongbin Zhao, Jichun Ye
Abstract
1-Ethyl-3-methylimidazolium diethyl phosphate (EMIM DEP) is used to passivate interface defects of SnO 2 /perovskite and enhance the interface quality. The EMIM DEP-based device shows higher efficiency and stability, compared to pristine SnO 2 .
Topics & Concepts
PassivationPerovskite (structure)PhosphateMaterials scienceChemical engineeringInorganic chemistryChemistryNanotechnologyOrganic chemistryLayer (electronics)EngineeringPerovskite Materials and ApplicationsConducting polymers and applicationsChalcogenide Semiconductor Thin Films