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Coagulation of luminescent colloid nGdVO₄:Eu solutions with inorganic electrolytes
Aqueous colloid solutions of europium-doped gadolinium orthovanadates have been prepared. The nanoparticles of about 20 nm diameter show a bright luminescence. The aqueous nGdVO₄:Eu solutions are transparent in the visible region and maintain the unchanged properties for more than two months. The pr...
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| Main Author: | |
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| Format: | Article |
| Language: | English |
| Published: |
НТК «Інститут монокристалів» НАН України
2009
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| Series: | Functional Materials |
| Subjects: | |
| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/137725 |
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| Summary: | Aqueous colloid solutions of europium-doped gadolinium orthovanadates have been prepared. The nanoparticles of about 20 nm diameter show a bright luminescence. The aqueous nGdVO₄:Eu solutions are transparent in the visible region and maintain the unchanged properties for more than two months. The presence of inorganic salts causes a reduction of the solution aggregative stability. The aggregation threshold values are in a close correspondence with the Schultze-Hardy rule and the 6th power Deryagin-Landau law for "negative" lyophobic sols. |
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