Synthesis and Luminescent Properties of Ca2Li2BiV3O12:Eu3+ Phosphor

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A red-emitting phosphor, Eu3+ activated Ca2Li2BiV3O12 was synthesized via combining combustion with solid state method and characterized by X-ray powder diffraction (XRD) and fluorescence spectrophotometer. The influence of synthesis temperature and the concentration of Eu3+ ions, on phase composition and luminescent properties of the synthesized samples was investigated systematically. The results showed that the Ca2Li2BiV3O12:Eu3+ phosphor with high phase purity and good crystallinity can be obtained by this citric acid - assisted sol combustion-solid state route at the synthesis temperature from 600°C to 700°C. The excitation spectrum of Ca2Li2BiV3O12:Eu3+ was composed of a broad band from 200 nm to 385 nm and a number of sharp small peaks extending from 390 nm to 480 nm, and the main peak was at 277 nm. The main emission peak was at 612 nm due to the electric dipole transition of 5D0 7F2 of Eu3+, which results in a red emitting. The sample prepared at T=680 °C, Eu3+ mol%=15 mol% has the highest emission intensity in this work.

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Edited by:

Yafang Han, Zhong Wei Gu and Qiang Fu

Pages:

309-312

Citation:

S. Z. Chen et al., "Synthesis and Luminescent Properties of Ca2Li2BiV3O12:Eu3+ Phosphor", Materials Science Forum, Vol. 815, pp. 309-312, 2015

Online since:

March 2015

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$38.00

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