Preparation and Luminescence Property of (Y,Gd)2O3:Eu Nanopowder by Complex Precipitation

Abstract

Abstract: (Y,Gd)₂O₃:Eu phosphors were prepared by the complex precipitation processing using the mixture of ammonium water
and ammonium hydrogen carbonate as complex precipitant. TG-DSC, FT-IR, XRD, SEM, TEM were used to characterize the as prepared
phosphors. The Eu₂O₃ concentration and calcining temperature have distinctly influence on the X-ray excited luminescence of the as prepared
powders. The resulted (Y,Gd)₂O₃:Eu powder calcined at 850℃ for 2h has an average particle size of 50nm. The specific surface area
of the weakly agglomerate powder is about 23m²/g. Its X-ray excited luminescence is much stronger than that of the powder prepared by oxalate
precipitation processing.

CLC Number:

TB383

CHEN Ji-Yang,SHI Ying,SHI Jian-Lin. Preparation and Luminescence Property of (Y,Gd)₂O₃:Eu Nanopowder by Complex Precipitation[J]. Journal of Inorganic Materials.

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Preparation and Luminescence Property of (Y,Gd)₂O₃:Eu Nanopowder by Complex Precipitation

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