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Luminescent Properties of a Novel Blue-Emitting Mg2La8(SiO4)6O2:Ce3+ Phosphor with Apatite-Type Nanostructure

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A novel blue-emitting Mg2La8(SiO4)6O2:Ce3+ phosphor with apatite-type nanostructure has been successfully synthesized via a conventional solid-state reaction. X-ray diffraction (XRD) and photoluminescence (PL) spectroscopy were used to characterize the as-prepared samples. The phosphor exhibited an absorption band ranging from 220 to 400 nm in the ultraviolet range and generated bright blue emission at 425 nm and 510 nm under different excitation wavelengths. The critical Ce3+ quenching concentration (QC) was determined to be about 7 mol%, and the corresponding QC mechanism was verified to be the dipole–dipole interactions.
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Keywords: Apatite; Ce3+; Luminescence; Nanostructure; Phosphors

Document Type: Research Article

Affiliations: School of Material Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, Shaanxi University of Science and Technology, Xi’an, 710021, China

Publication date: April 1, 2020

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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