Please use this identifier to cite or link to this item: https://doi.org/10.1557/jmr.2012.177
Title: Facile preparation of hydrophilic sodium yttrium fluoride nanorods using hydrophobic nanospheres as precursor
Authors: Tao, Q.
Li, Z.
Zeng, Y.
Zhang, Y. 
Keywords: lanthanide nanocrystals
photoluminescence
shape-control synthesis
upconversion nanocrystals
Issue Date: 28-Aug-2012
Source: Tao, Q., Li, Z., Zeng, Y., Zhang, Y. (2012-08-28). Facile preparation of hydrophilic sodium yttrium fluoride nanorods using hydrophobic nanospheres as precursor. Journal of Materials Research 27 (16) : 2101-2105. ScholarBank@NUS Repository. https://doi.org/10.1557/jmr.2012.177
Abstract: Synthesis of well-defined sodium yttrium fluoride (NaYF4) nanocrystals has been achieved in nonpolar solvents, but these nanocrystals possess a hydrophobic surface and need to be surface-modified for various biological applications. Development of facile aqueous solution method to synthesize one-dimensional NaYF4 with a hydrophilic surface still remains challenging. Herein, we demonstrate a simple route to prepare hydrophilic NaYF4 nanorods by using hydrophobic NaYF4 nanospheres as precursor. It is interesting to find that hydrothermal treatment of oleic acid-capped NaYF4 nanocrystals can not only induce anisotropic growth of these nanocrystals but also change their surface properties. The hydrophilic NaYF4 nanorods synthesized in this work has been well characterized and possible formation mechanism has also been discussed. © Materials Research Society 2012.
Source Title: Journal of Materials Research
URI: http://scholarbank.nus.edu.sg/handle/10635/68241
ISSN: 08842914
DOI: 10.1557/jmr.2012.177
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