Synergistic effect of alkali metal doping and thiocyanate passivation in CsPbBr<sub>3</sub> for HTM-free all-inorganic perovskite solar cells
Shiqiang Jiang, Haojie Sui, Benlin He, Xinyi Zhang, Zhihao Zong, Haiyan Chen, Qunwei Tang
Abstract
PSCs without HTMs compared to 6.72% efficiency for the original device. Moreover, the stability of the unencapsulated PSCs under ambient conditions with high humidity (85% RH, 25 °C) is distinctly improved, retaining 91.1% of the initial efficiency after 30 days of aging.
Topics & Concepts
Perovskite (structure)PassivationAlkali metalMaterials scienceDopantDopingThiocyanateMetalInorganic chemistryChemical engineeringNanotechnologyChemistryOptoelectronicsMetallurgyLayer (electronics)EngineeringOrganic chemistryPerovskite Materials and ApplicationsConducting polymers and applicationsSolid-state spectroscopy and crystallography