Source:http://linkedlifedata.com/resource/pubmed/id/19615932
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
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pubmed:dateCreated |
2009-9-7
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pubmed:abstractText |
Y(4)MgSi(3)O(13):Bi(3+), Eu(3+) nanophosphors have been prepared by a facile sol-gel method. The products have been characterized by X-ray diffraction, field-emission scanning electron microscopy and fluorescence measurements. The results show that the nanophosphors are of single phase hexagonal Y(4)MgSi(3)O(13) with size-distribution of 50-90 nm in diameter. White-light emission has been obtained from Bi(3+) and Eu(3+) co-doped Y(4)MgSi(3)O(13) nanophosphors upon excitation of 350 nm ultraviolet light. It is noted that Bi(3+) ions can occupy two different Y(3+) sites and generate different emissions from the (3)p(1) --> (1)s(0) transition. Warm white light has been obtained from Y(4)MgSi(3)O(13):Bi(3+), Eu(3+) nanophosphors according to Commission International de I'Eclairage (CIE) chromaticity coordinates and color temperature (T(c)) with appropriately adjusted contents of Bi(3+) and Eu(3+). The results indicate that Y(4)MgSi(3)O(13):0.08Bi(3+), 0.04Eu(3+) (x = 0.31, y = 0.31, T(c) = 6907 K) are potential nanophosphors for white light-emitting diodes (LEDs) applications.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Oct
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pubmed:issn |
1873-3557
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pubmed:author | |
pubmed:issnType |
Electronic
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pubmed:day |
1
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pubmed:volume |
74
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
498-501
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pubmed:meshHeading |
pubmed-meshheading:19615932-Bismuth,
pubmed-meshheading:19615932-Europium,
pubmed-meshheading:19615932-Fluorescence,
pubmed-meshheading:19615932-Light,
pubmed-meshheading:19615932-Lighting,
pubmed-meshheading:19615932-Microscopy, Electron, Scanning,
pubmed-meshheading:19615932-Nanostructures,
pubmed-meshheading:19615932-Phase Transition,
pubmed-meshheading:19615932-Silicates,
pubmed-meshheading:19615932-X-Ray Diffraction
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pubmed:year |
2009
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pubmed:articleTitle |
Warm white light from Y4MgSi3O13:Bi3+, Eu3+ nanophosphor for white light-emitting diodes.
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pubmed:affiliation |
MOE Key Lab of Specially Functional Materials and Institute of Optical Communication Materials, South China University of Technology, Guangzhou 510641, PR China.
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pubmed:publicationType |
Journal Article
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