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Heterometallic Na-Y(Ln) trifluoroacetate diglyme complexes as novel single-source precursors for upconverting NaYF4 nanocrystals co-doped with Yb and Er/Tm ions.

Identifieur interne : 000482 ( PubMed/Checkpoint ); précédent : 000481; suivant : 000483

Heterometallic Na-Y(Ln) trifluoroacetate diglyme complexes as novel single-source precursors for upconverting NaYF4 nanocrystals co-doped with Yb and Er/Tm ions.

Auteurs : Shashank Mishra [France] ; Stéphane Daniele ; Gilles Ledoux ; Erwann Jeanneau ; Marie-France Joubert

Source :

RBID : pubmed:20401365

Descripteurs français

English descriptors

Abstract

We report synthesis of new single-source heterometallic precursors [NaLn(TFA)(4)(diglyme)] (Ln = Y, Er, Tm, Yb; TFA = trifluoroacetate), which decompose in 1-octadecene at significantly low temperature, without using any surfactant or capping reagent, to give sub-50 nm particles of cubic and/or hexagonal NaYF(4) : Yb(3+), Er(3+)/Tm(3+) materials forming well-dispersed colloidal solutions in dichloromethane and exhibiting green/blue upconversion luminescence.

DOI: 10.1039/b921474g
PubMed: 20401365


Affiliations:


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pubmed:20401365

Le document en format XML

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<div type="abstract" xml:lang="en">We report synthesis of new single-source heterometallic precursors [NaLn(TFA)(4)(diglyme)] (Ln = Y, Er, Tm, Yb; TFA = trifluoroacetate), which decompose in 1-octadecene at significantly low temperature, without using any surfactant or capping reagent, to give sub-50 nm particles of cubic and/or hexagonal NaYF(4) : Yb(3+), Er(3+)/Tm(3+) materials forming well-dispersed colloidal solutions in dichloromethane and exhibiting green/blue upconversion luminescence.</div>
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