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

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 YF 3 nanobelts and nanowires are fabricated by using an oleylamine assisted colloidal chemical s...

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Bibliographic Details
Published in:Journal of materials chemistry. C, Materials for optical and electronic devices Materials for optical and electronic devices, 2019, Vol.7 (35), p.1918-1925
Main Authors: Murali, G, Kaur, Sandeep, Kim, Jongwoo, Nam, Sang Hwan, Lee, Joong Hee, Suh, Yung Doug, In, Insik, Lee, Seung Hee
Format: Article
Language:English
Subjects:
Colloid chemistry
Erbium
Fluorides
Lanthanum fluorides
Nanomaterials
Nanowires
Organic chemistry
Upconversion
Ytterbium
Yttrium
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Summary: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 YF 3 nanobelts and nanowires are fabricated by using an oleylamine assisted colloidal chemical strategy. Reaction monitoring demonstrates that two-dimensional lamellar assemblies of YF 3 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 (ErF 3 , YbF 3 , TmF 3 , NdF 3 , and LaF 3 ) systems. The polarized upconversion emission of Yb 3+ /Er 3+ co-doped YF 3 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. Ultrathin nanomaterials are very significant members of the nanocrystalline material family because of their unique properties of broad significance.
ISSN:2050-7526
2050-7534
DOI:10.1039/c9tc03403j