Reversible transformation between CsPbBr3 and Cs4PbBr6 nanocrystals. Issue 34 (3rd August 2018)

• Record Type: Journal Article
• Authors: Li, Yanxiu; Huang, He; Xiong, Yuan; Kershaw, Stephen V.; Rogach, Andrey L.
• Is Part Of: CrystEngComm. Volume 20:Issue 34(2018)
• Page Start: 4900
• Page End: 4904
• Publication Date: 2018-08-03
• Subjects: Crystals -- Periodicals; Crystal growth -- Periodicals; Crystallography -- Periodicals; Cristaux -- Périodiques; Cristaux -- Croissance -- Périodiques; Cristallographie -- Périodiques; 548
• DOI: 10.1039/c8ce00911b
• Languages: English
• ISSNs: 1466-8033

Abstract

Abstract : We introduce both phase and morphology reversible transformation between CsPbBr3 and Cs4 PbBr6 nanocrystals where the cubic morphology of the former is preserved. Abstract : A reversible transformation between CsPbBr3 and Cs4 PbBr6 nanocrystals through a simple treatment with extra ligands or PbBr2 (for the reverse direction) is reported. These transformations are so far the first report of direct reversibility, without a net change in morphology, between CsPbBr3 and Cs4 PbBr6 and then back to CsPbBr3 nanocrystals, which provides a mechanism for flexible reorganization of the lead halide perovskite lattice.