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

Surakcha Thapa, Karishma Bhardwaj, Siddhant Basel, Sajan Pradhan, Charlotte J. Eling, Ali M. Adawi, Jean Sebastien G. Bouillard, Graeme J. Stasiuk, Peter Reiss, Anand Pariyar, Sudarsan Tamang*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)
146 Downloads (Pure)

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.

Original languageEnglish
Pages (from-to)3388-3391
Number of pages4
JournalNanoscale Advances
Volume1
Issue number9
Early online date12 Aug 2019
DOIs
Publication statusPublished - 2019

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