Journal
CRYSTAL GROWTH & DESIGN
Volume 9, Issue 12, Pages 5101-5107Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cg900342j
Keywords
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Funding
- National Natural Science Foundation of China [20771098]
- National Basic Research Program of China [2007CB935502, 2006CB601103]
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Large-scale GdVO4:Eu3+ nanowires with diameters of about 15 nm and lengths of several micrometers were achieved by a facile hydrothermal method in the presence of disodium ethylenediamine tetraacetate (Na2H2L). The influences of several parameters, such as pH value, reaction temperature, and molar ratio of Na2H2L to Gd3+ on the final products were investigated. The formation mechanism of the as-obtained GdVO4:Eu3+ nanowires is proposed on the basis of time-dependent experiments. It is found that the organic additive Na2H2L, which acts as a shape modifier, has a dynamic effect by adjusting the growth rates of different facets, resulting in the formation of the GdVO4:Eu3+ nanowires. The luminescent spectrum of GdVO4:Eu3+ nanowires shows the strong characteristic dominant emission of the Eu3+ ions at 614 nm.
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