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2004
Luminescence
D 6540
Colloidal Synthesis of Luminescent Rhabdophane LaPO4:Ln3+·xH2O (Ln: Ce, Tb,
x ≈ 0.7) Nanocrystals. — The title compounds with mean particle sizes below
49- 009 Eu;
10 nm are synthesized by hydrolysis of an aqueous mixture of Na5P3O10 and lanthanide
salts (90 °C, 3 h). The samples are characterized by 31P NMR spectroscopy. The polyphosphate-capped particles form well-dispersed and highly luminescent aqueous colloids which are promising for applications in light-emitting devices. LnPO4·xH2O systems exhibit violet (Ln: La, Ce), green (Ln: La, Ce,Tb), or red (Ln: La, Eu) luminescence under UV excitations. — (BUISSETTE, V.; MOREAU, M.; GACOIN, T.;
BOILOT, J.-P.; CHANE-CHING, J.-Y.; LE MERCIER, T.; Chem. Mater. 16 (2004)
19, 3767-3773; Groupe Chim. Solide, Phys. Matiere Condens., Ec. Polytech., F-91128
Palaiseau, Fr.; Eng.) — W. Pewestorf
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