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dc.contributor.author박상문-
dc.contributor.author조소혜-
dc.date.accessioned2015-12-03T01:03:42Z-
dc.date.available2015-12-03T01:03:42Z-
dc.date.issued201401-
dc.identifier.citationVOL 584, 524-529-
dc.identifier.issn09258388-
dc.identifier.other40651-
dc.identifier.urihttp://pubs.kist.re.kr/handle/201004/46325-
dc.description.abstractLuminescent materials composed of Y1 m nErmYbnOCl (m = 0.001–0.1, n = 0.005–0.1) were prepared via a solid-state reaction using NH4Cl flux. Photoluminescence spectra, the dependence of the luminescent intensity as a function of Er3+ content, and their CIE coordinates of the Er3+-doped layered YOCl compounds were also investigated under near-ultraviolet (NUV) and visible lights. The spectral up-converting properties of Er3+ and Er3+–Yb3+ in YOCl phosphors were elucidated under 980 and 1550 nm diode laser irradiations. This up-conversion emission spectra and the pump power dependence versus emission intensity observed in the Y0.9Er0.1OCl up-conversion phosphors gave rise to one- and two-photon processes. The up-conversion mechanism of Er3+ and Yb3+ ions in YOCl was described by a schematic energy-level diagram. Through the use of these up-conversion luminescent materials, the desired emitting lights throughout the orange and red regions of the spectra were achieved.-
dc.publisherJournal of alloys and compounds-
dc.subjectphosphor-
dc.subjectup-converter-
dc.subjectoptical materials-
dc.subjectx-ray diffraction-
dc.subjectsolid state reactions-
dc.subjectluminescence-
dc.titleSpectral-converting behaviors of Er3+ and Er3+-Yb3+ doped YOCl phosphors-
dc.typeArticle-
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