期刊
CHEMICAL COMMUNICATIONS
卷 46, 期 21, 页码 3756-3758出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b921474g
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资金
- Centre National de la Recherche Scientifique (CNRS)
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 NaYF4: Yb3+, Er3+/Tm3+ materials forming well-dispersed colloidal solutions in dichloromethane and exhibiting green/blue upconversion luminescence.
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