Control of Emission Color of High Quantum Yield CH3NH3PbBr3 Perovskite Quantum Dots by Precipitation Temperature

He Huang; Andrei S. Susha; Stephen V. Kershaw; Tak Fu Hung; Andrey L. Rogach

doi:10.1002/advs.201500194

Control of Emission Color of High Quantum Yield CH₃NH₃PbBr₃ Perovskite Quantum Dots by Precipitation Temperature

He Huang, Andrei S. Susha, Stephen V. Kershaw, Tak Fu Hung, Andrey L. Rogach^*

^*Corresponding author for this work

Centre for Functional Photonics

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

587 Citations (Scopus)

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Abstract

Emission color controlled, high quantum yield CH₃NH₃PbBr₃ perovskite quantum dots are obtained by changing the temperature of a bad solvent during synthesis. The products for temperatures between 0 and 60 °C have good spectral purity with narrow emission line widths of 28–36 nm, high absolute emission quantum yields of 74% to 93%, and short radiative lifetimes of 13–27 ns.

Original language	English
Article number	1500194
Journal	Advanced Science
Volume	2
Issue number	9
Online published	14 Jul 2015
DOIs	https://doi.org/10.1002/advs.201500194
Publication status	Published - Sept 2015

Research Keywords

CH3NH3PbBr3
perovskite
photoluminescence
precipitation
quantum dots

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This full text is made available under CC-BY 4.0. https://creativecommons.org/licenses/by/4.0/

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abstract = "Emission color controlled, high quantum yield CH3NH3PbBr3 perovskite quantum dots are obtained by changing the temperature of a bad solvent during synthesis. The products for temperatures between 0 and 60 °C have good spectral purity with narrow emission line widths of 28–36 nm, high absolute emission quantum yields of 74% to 93%, and short radiative lifetimes of 13–27 ns. ",

keywords = "CH3NH3PbBr3, perovskite, photoluminescence, precipitation, quantum dots",

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