Search results for " White-Light-Emitting Diodes"

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Ce:Y3Al5O12−Poly(methyl methacrylate) Composite for White-Light-Emitting Diodes

2014

A Ce:YAG-poly(methyl methacrylate) (PMMA) composite was prepared by using the melt compounding method. The structure and morphology were investigated by X-ray diffractometry, transmission electron microscopy, and small-angle X-ray scattering. The optical properties (emission, excitation, and fluorescence decay rate) of the composite were studied by using photoluminescence spectroscopy. The polymer–filler interactions were studied using 13C cross-polarization magic-angle spinning NMR spectroscopy (13C{1H} CP-MAS NMR). The results indicated that Ce:YAG particles are well-dispersed in the PMMA matrix without loss of their luminescence properties or significant spectral shift, thus suggesting t…

Materials sciencePhotoluminescenceComposite numberAnalytical chemistryNuclear magnetic resonance spectroscopyPoly(methyl methacrylate)Surfaces Coatings and FilmsElectronic Optical and Magnetic Materialschemistry.chemical_compoundGeneral EnergychemistryTransmission electron microscopyvisual_artvisual_art.visual_art_mediumCP-MAS NMR interactions composite White-Light-Emitting DiodesPhysical and Theoretical ChemistryMethyl methacrylateLuminescenceSpectroscopySettore CHIM/02 - Chimica Fisica

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PEPhysical Sciences and Engineering
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