期刊
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
卷 31, 期 8, 页码 6506-6509出版社
SPRINGER
DOI: 10.1007/s10854-020-03208-x
关键词
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Rare earth Eu3+ and Dy3+-activated LaAlO3 phosphor were prepared by wet chemical method. The prepared phosphors were characterized by, X-ray diffraction(XRD) for phase purity, scanning electron microscopy (SEM) for morphology and photoluminescence (PL) emission and excitation spectra. SEM analysis does not reveal the crystal structure; however, it shows that the prepared phosphor has irregular morphology with particle size in micron range. Under both 395 nm and 466 nm excitation, LaAlO3:Eu3+ phosphor shows emission at 593 nm and 614 nm. LaAlO3:Dy3+ phosphor shows emission at 484 nm and 575 nm when excited by wavelength of 351 nm. The synthesized phosphors have mercury-free excitation, and therefore, prepared phosphor might be applicable in environmental-friendly solid-state lighting.
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