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ISSN：1674-9669
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Volume 8 Issue 5
Oct.  2017
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ZENG Qingyun, XIAO Ting, CHEN Xirong, ZHAO Juangang, LI Qing, WANG Zongjun. Microwave assisted liquid precipitation synthesis Ca (MoO4)1-x (WO4)x : Eu3+ red phosphors[J]. Nonferrous Metals Science and Engineering, 2017, 8(5): 34-39. DOI: 10.13264/j.cnki.ysjskx.2017.05.005
Citation: ZENG Qingyun, XIAO Ting, CHEN Xirong, ZHAO Juangang, LI Qing, WANG Zongjun. Microwave assisted liquid precipitation synthesis Ca (MoO4)1-x (WO4)x : Eu3+ red phosphors[J]. Nonferrous Metals Science and Engineering, 2017, 8(5): 34-39. DOI: 10.13264/j.cnki.ysjskx.2017.05.005
shu

Microwave assisted liquid precipitation synthesis Ca (MoO4)1-x (WO4)x : Eu3+ red phosphors

  • School of Metallurgy and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China

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  • Received Date: April 09, 2017
  • Published Date: October 30, 2017
    Graphical Abstract
    • Abstract
  • Spheroidal Ca(MoO4)1-x(WO4)x:Eu3+ of red phosphors were synthesized by microwave assisted liquid precipitationmethod when urea was used as a precipitator. The crystal structure, surface morphology and luminescent properties of the samples were characterized by XRD, SEM, and photoluminescence spectroscopy (PL). It is found that Ca(MoO4)1-x(WO4)x:Eu3+ red phosphors prepared have complete crystal form, high purity and scheelite structure. The introduction of WO42- would improveluminous efficiency of samples, and when the doping mole fraction of WO42-is 0.4, the relativeluminous intensity of the main emission peak at 616 nm reaches maximum under the excitation of 395 nm. However, the concentration of quenching phenomenon will occur when WO42-doping concentration is more than 0.4. The optimum of calcining temperature is 1 000 ℃, and calcination time is 4 h.
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    • References (20)
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