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author:

Ru, Jingjing (Ru, Jingjing.) [1] | Ying, Shaoming (Ying, Shaoming.) [2] | Zheng, Wenxu (Zheng, Wenxu.) [3] (Scholars:郑文旭) | Chen, Jianzhong (Chen, Jianzhong.) [4] (Scholars:陈建中)

Indexed by:

EI Scopus SCIE

Abstract:

A series of red light-emitting phosphors Li2Y4-x(MoO4)(7):xEu(3+) were synthesized by a sol-gel method. These samples were characterized by DSC-TGA, XRD, PL and FE-SEM analysis. The best dosage of citric acid is four times of metal ions. The optimal sintering temperature is 900 degrees C. The luminescence intensity of Li2Y4-x(MoO4)(7):xEu(3+) are strongest when the doping concentration of Eu3+ is 4 mol. These phosphors can be excitated by near-UV light of 395 nm and blue light of 465 nm effectively, and show strong red light at 615 nm, which is corresponding to D-5(0) -> F-7(2) transition of Eu3+ ion. The CIE chromaticity coordinates of Li2Eu4(MoO4)(7) phosphor is calculated to be (0.6497, 0.3499), and its lifetime is 0.38 ms. The results show that the phosphor is a promising red component candidate for near-UV and bule LED application. (C) 2016 Elsevier Ltd. All rights reserved.

Keyword:

Inorganic compounds Luminescence Phosphors Sol-gel chemistry X-ray diffraction

Community:

  • [ 1 ] [Ru, Jingjing]Ningde Normal Univ, Fujian Prov Univ Key Lab Green Energy & Environm, Fujian Prov Key Lab Featured Mat Biochem Ind, Dept Chem, Ningde 352100, Peoples R China
  • [ 2 ] [Ying, Shaoming]Ningde Normal Univ, Fujian Prov Univ Key Lab Green Energy & Environm, Fujian Prov Key Lab Featured Mat Biochem Ind, Dept Chem, Ningde 352100, Peoples R China
  • [ 3 ] [Ru, Jingjing]Fuzhou Univ, Coll Chem, Fuzhou 350108, Fujian, Peoples R China
  • [ 4 ] [Zheng, Wenxu]Fuzhou Univ, Coll Chem, Fuzhou 350108, Fujian, Peoples R China
  • [ 5 ] [Chen, Jianzhong]Fuzhou Univ, Coll Chem, Fuzhou 350108, Fujian, Peoples R China

Reprint 's Address:

  • 陈建中

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

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Source :

MATERIALS RESEARCH BULLETIN

ISSN: 0025-5408

Year: 2016

Volume: 84

Page: 468-473

2 . 4 4 6

JCR@2016

5 . 3 0 0

JCR@2023

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:324

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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