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author:

Ru, Jingjing (Ru, Jingjing.) [1] | Guo, Feiyun (Guo, Feiyun.) [2] | Chen, Jianzhong (Chen, Jianzhong.) [3]

Indexed by:

EI CSCD

Abstract:

Li2Y4-xEux(WO4) 7-y(MoO4)y red-emitting phosphors were synthesized by solid state reaction and characterized by powder X-ray diffraction (XRD) and photoluminescence (PL) spectrum. The excitation spectra showed that the phosphors could be efficiently excited by near-UV light of 395 nm. When the relative molar ratio of Mo/W was 7:0, and the optimum doped concentration of Eu3+ was 2.8 mol, the phosphor showed strong red emission lines at 615 nm corresponding to the forced electric dipole 5D0→7F2 transition of Eu 3+. Compared with Na2Y2Eu2(MoO 4)7 and K2Y2Eu2(MoO 4)7, the fluorescence intensity of Li2Y 1.2Eu2.8(MoO4)7 phosphor was the strongest. The CIE chromaticity coordinates of Li2Y 1.2Eu2.8(MoO4)7 phosphor was calculated to be (0.66, 0.34). © 2013 The Chinese Society of Rare Earths.

Keyword:

Electric lines Europium compounds Light emitting diodes Lithium compounds Luminescence Molar concentration Molar ratio Phosphors Potassium compounds Rare earths Sodium compounds Solid state reactions

Community:

  • [ 1 ] [Ru, Jingjing]Department of Chemistry, Ningde Normal University, Ningde 352100, China
  • [ 2 ] [Guo, Feiyun]College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, China
  • [ 3 ] [Chen, Jianzhong]College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, China

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Source :

Journal of Rare Earths

ISSN: 1002-0721

Year: 2013

Issue: 11

Volume: 31

Page: 1059-1062

1 . 3 4 2

JCR@2013

5 . 2 0 0

JCR@2023

JCR Journal Grade:2

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 13

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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