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author:

Ru Jingjing (Ru Jingjing.) [1] | Guo Feiyun (Guo Feiyun.) [2] (Scholars:郭飞云) | Chen Jianzhong (Chen Jianzhong.) [3] (Scholars:陈建中)

Indexed by:

EI Scopus SCIE 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 D-5(0)-> F-7(2) transition of Eu3+. Compared with Na2Y2Eu2(MoO4)(7) and K2Y2Eu2(MoO4)(7), the fluorescence intensity of Li2Y1.2Eu2.8(MoO4)(7) phosphor was the strongest. The CIE chromaticity coordinates of Li2Y1.2Eu2.8(MoO4)(7) phosphor was calculated to be (0.66, 0.34).

Keyword:

luminescence phosphor rare earths white LED

Community:

  • [ 1 ] [Ru Jingjing]Ningde Normal Univ, Dept Chem, Ningde 352100, Peoples R China
  • [ 2 ] [Guo Feiyun]Fuzhou Univ, Coll Chem & Chem Engn, Fuzhou 350108, Peoples R China
  • [ 3 ] [Chen Jianzhong]Fuzhou Univ, Coll Chem & Chem Engn, Fuzhou 350108, Peoples R China

Reprint 's Address:

  • 陈建中

    [Chen Jianzhong]Fuzhou Univ, Coll Chem & Chem Engn, Fuzhou 350108, Peoples R China

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Source :

JOURNAL OF RARE EARTHS

ISSN: 1002-0721

CN: 11-2788/TF

Year: 2013

Issue: 11

Volume: 31

Page: 1059-1062

1 . 3 4 2

JCR@2013

5 . 2 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

JCR Journal Grade:2

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 9

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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