Preparation and Luminescence Property of YAG∶Ce Phosphor Powders by Co-precipitation

ZHANG Kai; LIU He-zhou; WU Ya-ting; HU Wen-bin

ZHANG Kai, LIU He-zhou, WU Ya-ting, HU Wen-bin. Preparation and Luminescence Property of YAG∶Ce Phosphor Powders by Co-precipitation[J]. Materials and Mechanical Engineering, 2007, 31(1): 53-56.

Citation:

ZHANG Kai, LIU He-zhou, WU Ya-ting, HU Wen-bin. Preparation and Luminescence Property of YAG∶Ce Phosphor Powders by Co-precipitation[J]. Materials and Mechanical Engineering, 2007, 31(1): 53-56.

Citation:

ZHANG Kai, LIU He-zhou, WU Ya-ting, HU Wen-bin. Preparation and Luminescence Property of YAG∶Ce Phosphor Powders by Co-precipitation[J]. Materials and Mechanical Engineering, 2007, 31(1): 53-56.

Preparation and Luminescence Property of YAG∶Ce Phosphor Powders by Co-precipitation

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Abstract

Ce-doped Y3Al5O12(YAG∶Ce) phosphor ultrafine powders were synthesized by the co-precipitation method using the mixture solution of ammonium hydroxide and ammonium hydrogen carbonate as precipitant.DSC,FT-IR,XRD and FESEM were used to characterize the phosphor powders and the influence of Ce concentration on the luminescence of the as-prepared powders was studied.The nanocrystalline,phase-pure and cubic YAG∶Ce phosphor powders are obtained after the precipitates sintered at 1 000 ℃ for 2 h.Following the increase of Ce concentration,the emission spectra shows a red shift while the excitation spectra not change.

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Preparation and Luminescence Property of YAG∶Ce Phosphor Powders by Co-precipitation

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