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Issue 44, 2015
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Quick synthesis, functionalization and properties of uniform, luminescent LuPO4-based nanoparticles

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Abstract

The aim of this study was to find a surfactant-free method for the synthesis of uniform Eu:LuPO4 nanophosphors which are able to form stable colloidal suspensions in aqueous media. Uniform, ovoid Eu-doped LuPO4 fluorescent nanoparticles were obtained after aging for 30 minutes at 180 °C a butylene glycol solution containing, exclusively, lutetium acetate, europium acetate and H3PO4. XRD and digital diffraction patterns of HRTEM images suggested that the particles were single crystalline in nature with the c-axis of the unit cell parallel to the long particle axis. The luminescence study revealed that the optimum doping level was 5 molar%. The latter particles (85 nm × 40 nm dimensions) were functionalized with polyacrylic acid and their colloidal stability in two different biological buffers was demonstrated to persist for at least 15 days.

Graphical abstract: Quick synthesis, functionalization and properties of uniform, luminescent LuPO4-based nanoparticles

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Supplementary files

Article information


Submitted
25 Mar 2015
Accepted
08 Apr 2015
First published
08 Apr 2015

RSC Adv., 2015,5, 34517-34524
Article type
Paper
Author version available

Quick synthesis, functionalization and properties of uniform, luminescent LuPO4-based nanoparticles

A. I. Becerro and M. Ocaña, RSC Adv., 2015, 5, 34517
DOI: 10.1039/C5RA05305F

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