Tb3+ Doped CaMgSi2O6-Based Green Phosphor

Ren Qing Wang

doi:10.4028/www.scientific.net/AMR.187.394

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 187Tb3+ Doped CaMgSi2O6-Based Green Phosphor

Tb³⁺ Doped CaMgSi₂O₆-Based Green Phosphor

Abstract:

SiO2，CaO and MgO was chosen as main raw material and Solid State method was used to prepare the sample. The precursor was directly sintered at 1000°C with reducing atmosphere for 3 h to obtain new green CaMgSi2O6:Tb3+,Li+Phosphors.The effects of the content of the doping ions Tb3+ on the luminescent properties have been studied. The structure, morphology and luminescent properties of the phosphors were characterized by XRD,SEM,UV and PL-PLE spectra respectively.The results showed that the CaMgSi2O6:Tb3+,Li+ was base-centered monoclinic crystals, the phosphor particle distributed uniformly.The phosphor has a strong absorptive capacity excited by 230 nm ultraviolet ray, and could emit the strong green light with the wavelength of 543 nm(5D4→7F5). The CaMgSi2O6:Tb3+,Li+ is a new type of green fluorescent material.

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Periodical:

Advanced Materials Research (Volume 187)

Pages:

394-398

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.187.394

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Online since:

February 2011

Authors:

Ren Qing Wang

Keywords:

Green Phosphor, Solid-State Method, Spectroscopy

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