The Preparation of CaMgSi2O6: Eu3+,Li+ Red Phosphor

Ren Qing Wang

doi:10.4028/www.scientific.net/AMM.55-57.413

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 55-57The Preparation of CaMgSi2O6: Eu3+,Li+ Red...

The Preparation of CaMgSi₂O₆: Eu³⁺,Li⁺ Red Phosphor

Abstract:

SiO₂, CaO and MgO was chosen as main raw material and Solid State method was used to prepare the samples. The precursor was directly sintered at 1000°Cfor 3h to obtain new green CaMgSi₂O₆:Eu³⁺,Li⁺Phosphors.The effects of the content of the doping ions Eu³⁺ on the luminescent properties have been studied. The structure, morphology and luminescent properties of the phosphors were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM),UV and PL-PLE spectra respectively.The results showed that the CaMgSi₂O₆:Eu³⁺,Li⁺ was base-centered monoclinic crystals, the phosphor particle distributed uniformly.The phosphor has a strong absorptive capacity excited by 248 nm ultraviolet ray, and could emit the strong red light with the wavelength of 590nm(⁵D₀→⁷F₁)and 615nm(⁵D₀→⁷F₂). The CaMgSi₂O₆:Eu³⁺,Li⁺ is a new type of red fluorescent material.

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Periodical:

Applied Mechanics and Materials (Volumes 55-57)

Pages:

413-417

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.55-57.413

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Online since:

May 2011

Authors:

Ren Qing Wang

Keywords:

Red Phosphor, Solid-State Method, Spectroscopy

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