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2016 | 129 | 1 | 79-83
Article title

Effect of Trisodium Citrate on the Morphology and Luminescence Properties of Hydrothermally Synthesized YVO₄ Phosphor

Content
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EN
Abstracts
EN
YVO₄ phosphors with different morphologies were synthesized by trisodium citrate (Na₃cit) surfactant-assisted hydrothermal process. Effects of molar ratio of cit^{3-} to Y^{3+} and pH value of reaction solution were intensively investigated on the morphologies, structures and luminescence properties of YVO₄ phosphor. The morphologies of the YVO₄ particles can be effectively controlled in strong acidic and strong alkaline environment by affecting the adsorption of cit^{3-} on the (001) crystal plane of YVO₄. Strong acidic condition resulted into excessive adsorption of cit^{3-} groups on the YVO₄ phosphor, which annihilated the superior luminescence of YVO₄ phosphors. On the contrary, strong alkaline condition does not result into the adsorption of cit^{3-} groups. The synthesized YVO₄ phosphor without adsorption of cit^{3-} groups showed superior luminescence even though the effective control of the morphology in alkaline condition is not so good as in strong acidic condition.
Keywords
Year
Volume
129
Issue
1
Pages
79-83
Physical description
Dates
published
2016-01
received
2015-03-12
(unknown)
2015-12-24
References
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Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv129n116kz
Identifiers
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