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

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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

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Publication details

The article was received on 24 Jun 2019, accepted on 06 Aug 2019 and first published on 07 Aug 2019


Article type: Paper
DOI: 10.1039/C9TC03403J
J. Mater. Chem. C, 2019, Advance Article

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    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, Advance Article , DOI: 10.1039/C9TC03403J

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