White light emissions through down-conversion of rare-earth doped LaF3 nanoparticles
Optics Express, Vol. 14, Issue 23, pp. 11412-11417 (2006)
http://dx.doi.org/10.1364/OE.14.011412
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Abstract
Through the use of complex core-shell structures, white light emissions are observed from a single nanoparticle doped with multiple trivalent rare-earth ions. The internal structuring of the nanoparticle to allow for a controlled degree of energy transfer a common excitation wavelength yielding the white light emission is obtained. Emissions with correlated color temperatures ranging from 2700K to 5000K were produced. The stability of the phosphors to excitation wavelength variations was examined.
© 2006 Optical Society of America
OCIS Codes
(160.5690) Materials : Rare-earth-doped materials
(230.3670) Optical devices : Light-emitting diodes
(250.5230) Optoelectronics : Photoluminescence
(260.2160) Physical optics : Energy transfer
ToC Category:
Physical Optics
History
Original Manuscript: August 7, 2006
Manuscript Accepted: October 16, 2006
Published: November 13, 2006
Citation
Jeffrey R. DiMaio, Baris Kokuoz, and John Ballato, "White light emissions through down-conversion of rare-earth doped LaF3 nanoparticles," Opt. Express 14, 11412-11417 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-23-11412
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