Microwave-assisted one-step synthesis of acetate-capped NaYF4:Yb/Er upconversion nanocrystals and their application in bioimaging



: Kumbam Lingeshwar Reddy, Neeraj Prabhakar, Riikka Arppe, Jessica M. Rosenholm, Venkata Krishnan

Publisher: SPRINGER

: 2017

 Journal of Materials Science

: JOURNAL OF MATERIALS SCIENCE

: J MATER SCI

: 52

: 10

: 5738

: 5750

: 13

: 0022-2461

: 1573-4803

DOI: https://doi.org/10.1007/s10853-017-0809-z


Acetate-capped hydrophilic cubic phase NaYF4:Yb/Er upconversion nanophosphors were effectively synthesized in a single step employing a facile microwave-assisted synthesis route by applying relatively low temperatures in a short span of time compared to the conventional synthetic methods. The nanoparticles having a size of about 25 nm exhibit good upconversion luminescence property and can be well dispersed in aqueous solvents as-synthesized. These upconversion nanoparticles were examined for their cytotoxicity and demonstrated to be an effective material for cancer cell imaging using near-infrared radiation.



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