Dual-site synergistic passivation for CsPbBr <sub>3</sub> perovskite solar cells with record 1.707 V <i>V</i> <sub>oc</sub> and 11.23% efficiency
Yinping Teng, Yuanyuan Zhao, Zhe Xin, Liqiang Bian, Qiyao Guo, Jialong Duan, Jie Dou, Yan Zhang, Qiang Zhang, Qunwei Tang
Abstract
Bidentate diphenylphosphine ligands passivate Pb 2+ defects via dual-site coordination, achieving CsPbBr 3 perovskite solar cells with record 11.23% PCE, 1.707 V V oc and >90% stability retention over 1800 h under 80 °C & 80% RH.
Topics & Concepts
PassivationPerovskite (structure)Dual (grammatical number)Materials scienceEnvironmental scienceOptoelectronicsChemical engineeringNanotechnologyEngineeringLayer (electronics)ArtLiteraturePerovskite Materials and ApplicationsConducting polymers and applicationsSolid-state spectroscopy and crystallography