Fast Anion-Exchange in Highly Luminescent Nanocrystals of Cesium Lead Halide Perovskites (CsPbX<sub>3</sub>, X = Cl, Br, I)

Nedelcu, Georgian; Proteşescu, Loredana; Yakunin, Sergii; I. Bodnarchuk, Maryna; J. Grotevent, Matthias; V. Kovalenko, Maksym

doi:10.1021/acs.nanolett.5b02404

Public

Fast Anion-Exchange in Highly Luminescent Nanocrystals of Cesium Lead Halide Perovskites (CsPbX3, X = Cl, Br, I)

Published in Nano Letters • Jul 24, 2015

Authors:

Georgian Nedelcu

Loredana Proteşescu

Sergii Yakunin

Abstract

Postsynthetic chemical transformations of colloidal nanocrystals, such as ion-exchange reactions, provide an avenue to compositional fine-tuning or to otherwise inaccessible materials and morphologies. While cation-exchange is facile and commonplace, anion-exchange reactions have not received substa...

Subject

Halide

Nanocrystal

Photoluminescence

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