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Issue 9, 2019
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Long-term ambient air-stable cubic CsPbBr3 perovskite quantum dots using molecular bromine

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Abstract

We report unprecedented phase stability of cubic CsPbBr3 quantum dots in ambient air obtained by using Br2 as halide precursor. Mechanistic investigation reveals the decisive role of temperature-controlled in situ generated, oleylammonium halide species from molecular halogen and amine for the long term stability and emission tunability of CsPbX3 (X = Br, I) nanocrystals.

Graphical abstract: Long-term ambient air-stable cubic CsPbBr3 perovskite quantum dots using molecular bromine

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Supplementary files

Article information


Submitted
07 Aug 2019
Accepted
09 Aug 2019
First published
12 Aug 2019

This article is Open Access

Nanoscale Adv., 2019,1, 3388-3391
Article type
Communication

Long-term ambient air-stable cubic CsPbBr3 perovskite quantum dots using molecular bromine

S. Thapa, K. Bhardwaj, S. Basel, S. Pradhan, C. J. Eling, A. M. Adawi, J. G. Bouillard, G. J. Stasiuk, P. Reiss, A. Pariyar and S. Tamang, Nanoscale Adv., 2019, 1, 3388
DOI: 10.1039/C9NA00486F

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