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dc.contributor.authorHuang, Chien-Haoen_US
dc.contributor.authorChen, Teng-Mingen_US
dc.date.accessioned2019-04-03T06:38:01Z-
dc.date.available2019-04-03T06:38:01Z-
dc.date.issued2010-03-01en_US
dc.identifier.issn1094-4087en_US
dc.identifier.urihttp://dx.doi.org/10.1364/OE.18.005089en_US
dc.identifier.urihttp://hdl.handle.net/11536/149903-
dc.description.abstractWe have synthesized a series of single-composition emission-tunable Ca9La(PO4)(7):Eu2+,Mn2+ (CLP:Eu2+,Mn2+) phosphors by solid state reactions. Through an effective resonance-type energy transfer, the CLP:Eu2+,Mn2+ phosphors exhibit a systematically varied hues from green, yellow, and eventually to red and the relative intensity of green and red emissions can be tuned by adjusting the concentration of Mn2+, respectively. The energy transfer from Eu2+ to Mn2+ in CLP:Eu2+,Mn2+ has been studied and demonstrated to be a resonant type via a dipole-quadrupole mechanism based on the decay lifetime data and the energy transfer critical distance was estimated to be 11.36 angstrom by using the spectral overlap methods. A warm white light emitting diode (WLED) with CIE chromaticity coordinates of (0.35, 0.31), superior color-rendering index (Ra) of 91.5 and lower correlated color temperature (CCT) of 4,496 K was fabricated by combining a 365 nm UV-InGaN chip and a phosphor blend of yellow-emitting (Ca0.98Eu0.005Mn0.015)(9)La(PO4)(7) and blue-emitting BaMgAl10O17:Eu2+. (C) 2010 Optical Society of Americaen_US
dc.language.isoen_USen_US
dc.titleCa9La(PO4)(7):Eu2+,Mn2+: an emission-tunable phosphor through efficient energy transfer for white light-emitting diodesen_US
dc.typeArticleen_US
dc.identifier.doi10.1364/OE.18.005089en_US
dc.identifier.journalOPTICS EXPRESSen_US
dc.citation.volume18en_US
dc.citation.issue5en_US
dc.citation.spage5089en_US
dc.citation.epage5099en_US
dc.contributor.department應用化學系zh_TW
dc.contributor.departmentDepartment of Applied Chemistryen_US
dc.identifier.wosnumberWOS:000275454100094en_US
dc.citation.woscount176en_US
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