Issue 9, 2019

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

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

Supplementary files

Article information

Article type
Communication
Submitted
07 Aug. 2019
Accepted
09 Aug. 2019
First published
12 Aug. 2019
This article is Open Access
Creative Commons BY-NC license

Nanoscale Adv., 2019,1, 3388-3391

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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