Highly Emissive Divalent-Ion-Doped Colloidal CsPb 1– x  M  x  Br 3  Perovskite Nanocrystals through Cation Exchange

Stam, Ward van der; Geuchies, Jaco J.; Altantzis, Thomas; Bos, Karel H. W. van den; Meeldijk, Johannes D.; Aert, Sandra Van; Bals, Sara; Vanmaekelbergh, Daniël; Donegá, Celso de Mello

doi:10.1021/jacs.6b13079

articleJournal of the American Chemical SocietyMar 4, 2017HYBRID OA

Highly Emissive Divalent-Ion-Doped Colloidal CsPb 1– x M x Br 3 Perovskite Nanocrystals through Cation Exchange

WVWard van der Stam JJJaco J. Geuchies TAThomas Altantzis KHKarel H. W. van den Bos JDJohannes D. Meeldijk

Utrecht University · Delft University of Technology · +1 more institution

PubMed

Indexed incrossrefpubmed

Abstract

Cation exchange and is observed to scale linearly with the lattice contraction. This work opens up new possibilities to engineer the properties of halide perovskite NCs, which to date are demonstrated to be the only known system where cation and anion exchange reactions can be sequentially combined while preserving the original NC shape, resulting in compositionally diverse perovskite NCs.

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Topics

Keywords

Chemistry
Divalent
Perovskite (structure)
Nanocrystal
Doping
Ion
Ion exchange
Colloid

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