Synthesis and Characterizations of YVO4:Eu Colloids

We present a new process for the synthesis of colloidal europium-doped yttrium vanadate with a particle diameter of about 10 nm. Nanocrystals are produced by precipitation of citrate complexes of rare-earth salts with sodium orthovanadate. NMR and IR studies show that the interaction between citrate...

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Veröffentlicht in:Chemistry of materials 2002-05, Vol.14 (5), p.2264-2269
Hauptverfasser: Huignard, A, Buissette, V, Laurent, G, Gacoin, T, Boilot, J.-P
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container_issue 5
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container_title Chemistry of materials
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creator Huignard, A
Buissette, V
Laurent, G
Gacoin, T
Boilot, J.-P
description We present a new process for the synthesis of colloidal europium-doped yttrium vanadate with a particle diameter of about 10 nm. Nanocrystals are produced by precipitation of citrate complexes of rare-earth salts with sodium orthovanadate. NMR and IR studies show that the interaction between citrate ligands and lanthanide ions limits the growth of particles and ensures the stability of the colloidal solutions through electrostatic and steric repulsions. The optimized process leads to stable and highly concentrated transparent colloidal solutions in water (up to 400 g·L-1).
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subjects Analytical chemistry
Chemical Sciences
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Nanoscale materials and structures: fabrication and characterization
Physics
title Synthesis and Characterizations of YVO4:Eu Colloids
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