Potential red-emitting phosphor for white LED solid-state lighting

Zhou, Liya; Wei, Jianshe; Wu, Jingrong; Gong, Fuzhong; Yi, Linghong; Huang, Junli

doi:10.1016/j.jallcom.2008.09.005

Cited by 68 publications

(34 citation statements)

References 18 publications

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“…4a and b, respectively. The particle size of the sample with sol-gel method synthesis is approximately 0.5-2.0 m and the mean size of the particles is about 1 m, which fits the fabrication of the solid-state lighting devices [16]. For the phosphor prepared by solid-state reaction, the particle size distribution is broader and the average size is larger than that of sample produced by sol-gel method.…”

Section: Morphologies Of the Samplessupporting

confidence: 55%

Synthesis, characterization and luminescent properties of novel red emitting phosphor Li3Ba2Ln3(MoO4)8:Eu3+ (Ln=La, Gd and Y) for white light-emitting diodes

Guo

Gao

Liu³

et al. 2009

Journal of Alloys and Compounds

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Section: Morphologies Of the Samplessupporting

confidence: 55%

Synthesis, characterization and luminescent properties of novel red emitting phosphor Li3Ba2Ln3(MoO4)8:Eu3+ (Ln=La, Gd and Y) for white light-emitting diodes

Guo

Gao

Liu³

et al. 2009

Journal of Alloys and Compounds

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“…7 F 2 transition) indicates that anti inversion symmetry crystal filed around Eu 3? ion in the present phosphor is favorable to improve the color purity of red phosphor [18,19]. Figure 5 shows that shape of the emission spectra is similar for all concentrations.…”

Section: Luminescence Spectra and Color Coordinatesmentioning

confidence: 66%

“…7 F 2 is strongly influenced by the local structure and site symmetry around Eu 3? ion [19,20]. Therefore, the emission intensity ratio of the two transitions 5 D 0 ?…”

Section: Luminescence Spectra and Color Coordinatesmentioning

confidence: 99%

PbMoO4:Eu3+ red phosphor material for potential applications in white light emitting diodes

2014

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Monophasic PbMoO 4 possessing tetragonal symmetry with varied Eu 3? concentrations is synthesized by solid state reaction method. The samples are characterized by X-ray diffraction, scanning election microscope, energy dispersive spectra, excitation spectra, emission spectra and decay curves. Single cubic phase of PbMoO 4 crystal is confirmed by X-ray diffraction analysis. Analysis of the photoluminescence spectra indicates that the phosphor can be excited by UV light of 386 nm, thus emitting intense red light. The ratio of red emission ( 5 D 0 ? 7 F 2 ) to orange emission ( 5 D 0 ? 7 F 1 ) is very high in present phosphor. This may be due to a lower symmetry of crystal field around Eu 3? ions. The color coordinates are calculated for PbMoO 4 :Eu 3? phosphor located in International Commission on Illumination chromaticity diagram.

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“…In recent years, oxide-based lanthanide phosphors have caught much attention because of their excellent optical properties [2]. Comparable red and green emitting phosphors have been widely used in FEDs and LEDs [3][4][5], but blue emitting phosphors suitable for practical application remain rarely available. Sr 2 CeO 4 was first discovered by Danielson et al in 1998 [6].…”

Section: Introductionmentioning

confidence: 99%