Synthesis and luminescent properties of Na5LaxM1-x(WO4)4 (M = Eu, Sm, Bi) red phosphors for WLED - Details

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Abstract：

A　series　of　Na5La(WO4)4:M3+　(M　=　Eu,　Sm,　Bi)　phosphors　have　been　synthesized　successfully　by　the　solid-state　reactions.　The　corresponding　crystal　structure　and　lattice　parameters　were　refined　by　the　Rietveld　method,　and　the　impact　of　doped　metal　ions　upon　the　structure　were　also　studied.　The　photoluminescent　properties　were　investigated　at　room　temperature.　All　the　samples　were　observed　a　strong　red　emission　under　395nm　or　465　nm　excitation,　and　the　CIE　chromaticity　coordinates　(x　=　0.67,　y　=　0.33)　was　found　to　be　close　to　the　National　Television　Standard　Committee　(NTSC)　standard　red,　implying　high　color　purity.　This　kind　of　tungstate　phosphor　is　a　promising　candidate　as　the　red　phosphor　for　white　light-emitting　diodes　(WLED).　©　(2013)　Trans　Tech　Publications,　Switzerland.

Keyword：

Structure refinement; Tungstate phosphor; White light-emitting diodes

Community：

[ 1 ] [Huang, D.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
[ 2 ] [Huang, D.]College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China
[ 3 ] [Zhou, Y.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
[ 4 ] [Xu, W.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
[ 5 ] [Yang, Z.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
[ 6 ] [Hong, M.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
[ 7 ] [Lin, Y.]State Key Laboratory of New Ceramic and Fine Processing, Tsinghua University, Beijing 100084, China
[ 8 ] [Yu, J.]College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China

Reprint 's Address：

[Yu, J.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China

Email：

jcyu719@163.com

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Source ：

Advanced Materials Research

ISSN： 1022-6680

Year： 2013

Volume： 624

Page： 244-247

Language： English

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SCOPUS Cited Count： 1

ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 0

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