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

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Original languageEnglish
Article number1500194
Journal / PublicationAdvanced Science
Volume2
Issue number9
Online published14 Jul 2015
Publication statusPublished - Sep 2015

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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.

Research Area(s)

  • CH3NH3PbBr3, perovskite, photoluminescence, precipitation, quantum dots

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