Enhancing the stability of the polymeric Lewis-base-assisted dual-phase 3D CsPbBr<sub>3</sub>–Cs<sub>4</sub>PbBr<sub>6</sub> perovskite by molecular engineering and self-passivation
Fang‐Cheng Liang, Zhen‐Li Yan, Dhana Lakshmi Busipalli, Jean‐Sebastien Benas, Zhi-Xuan Zhang, Su‐Ting Han, Ye Zhou, Jyh‐Chiang Jiang, Chi‐Ching Kuo
Abstract
Self-ordered polymeric Lewis acid–base adduct formation for a dual role of passivated CsPbBr 3 –Cs 4 PbBr 6 perovskite grain morphology modulation and exciton dielectric confinement, thereby exhibiting high performances and stability in PeLEDs.
Topics & Concepts
Materials sciencePerovskite (structure)PassivationDielectricLewis acids and basesBase (topology)Phase (matter)Grain boundaryChemical engineeringChemical physicsNanotechnologyCatalysisOptoelectronicsChemistryMicrostructureOrganic chemistryMetallurgyLayer (electronics)EngineeringMathematical analysisMathematicsPerovskite Materials and ApplicationsSolid-state spectroscopy and crystallography2D Materials and Applications