Issue 35, 2019

Ultrathin yttrium fluoride nanostructures: controlled synthesis and polarized up-conversion emission property

Abstract

Ultrathin nanomaterials are very significant members of the nanocrystalline material family because of their unique properties of broad significance. In the present study, highly uniform atomically thick YF3 nanobelts and nanowires are fabricated by using an oleylamine assisted colloidal chemical strategy. Reaction monitoring demonstrates that two-dimensional lamellar assemblies of YF3 clusters are vital intermediates in the growth process, which transform to ultrathin nanobelts and nanowires depending on the heating temperature. This approach can be readily extended to produce ultrathin structures of other lanthanide fluoride (ErF3, YbF3, TmF3, NdF3, and LaF3) systems. The polarized upconversion emission of Yb3+/Er3+ co-doped YF3 is demonstrated for a domain of a perfectly aligned assembly of parallel ultrathin nanowires. The polarization degree of green, red and infrared emission peaks are 0.32, 0.28 and 0.50, respectively.

Graphical abstract: Ultrathin yttrium fluoride nanostructures: controlled synthesis and polarized up-conversion emission property

Supplementary files

Article information

Article type
Paper
Submitted
24 Jun 2019
Accepted
06 Aug 2019
First published
07 Aug 2019

J. Mater. Chem. C, 2019,7, 10918-10925

Ultrathin yttrium fluoride nanostructures: controlled synthesis and polarized up-conversion emission property

G. Murali, S. Kaur, J. Kim, S. H. Nam, J. H. Lee, Y. D. Suh, I. In and S. H. Lee, J. Mater. Chem. C, 2019, 7, 10918 DOI: 10.1039/C9TC03403J

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