Transforming colloidal Cs <sub>4</sub> PbBr <sub>6</sub> nanocrystals with poly(maleic anhydride- <i>alt</i> -1-octadecene) into stable CsPbBr <sub>3</sub> perovskite emitters through intermediate heterostructures
Dmitry Baranov, Gianvito Caputo, Luca Goldoni, Zhiya Dang, Riccardo Scarfiello, Luca De Trizio, Alberto Portone, Filippo Fabbri, Andrea Camposeo, Dario Pisignano, Liberato Manna
Abstract
The challenge of making strongly emissive CsPbBr <sub>3</sub> perovskite nanocrystals with a robust surface passivation is solved <italic>via</italic> Cs <sub>4</sub> PbBr <sub>6</sub> → CsPbBr <sub>3</sub> transformation triggered by a reaction of oleylamine ligand with poly(maleic anhydride-1- <italic>alt</italic> -octadecene).
Topics & Concepts
NanocrystalPerovskite (structure)HeterojunctionMaleic anhydrideMaterials scienceColloidChemistryCrystallographyNanotechnologyOptoelectronicsPhysical chemistryPolymerCopolymerComposite materialPerovskite Materials and ApplicationsOptical properties and cooling technologies in crystalline materialsQuantum Dots Synthesis And Properties