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作者:

Wang, Jiyou (Wang, Jiyou.) | Wang, Jianbo (Wang, Jianbo.) | Duan, Ping (Duan, Ping.)

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EI Scopus SCIE

摘要:

The Sr3Y1-x(PO4)(3):xDy(3+) powder samples were synthesized by solid-state reaction method. The PL and PLE spectra showed that the phosphor could be excited by light from 350 to 460 nm and two strong. peaks centered at 484 nm and 576 nm corresponding to the magnetic dipole F-4(9/2) -> H-6(15/2) transition and the electric dipole F-4(9/2) -> H-6(13/2) transition. According to the Dexter's theory, it was found that the major mechanism for concentration quenching as a result of dipole-dipole (d-d) interaction. The chromaticity coordinates of Sr3Y1-x(PO4)(3):xDy(3+) phosphors are close to the white color chromaticity coordinates (x=0.33, y=0.33). These results indicate that the Sr3Y1-x(PO4)(3):xDy(3+) phosphor may be a promising single-component phosphor in the field of white LEDs. (C) 2013 Elsevier B.V. All rights reserved.

关键词:

Luminescence Phosphors Rare earth White light LED

作者机构:

  • [ 1 ] [Wang, Jiyou]Beijing Univ Technol, Coll Appl Sci, Beijing 100022, Peoples R China
  • [ 2 ] [Wang, Jianbo]Beijing Univ Technol, Coll Appl Sci, Beijing 100022, Peoples R China
  • [ 3 ] [Duan, Ping]Beijing Univ Technol, Coll Appl Sci, Beijing 100022, Peoples R China

通讯作者信息:

  • [Wang, Jianbo]Beijing Univ Technol, Coll Appl Sci, Beijing 100022, Peoples R China

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来源 :

MATERIALS LETTERS

ISSN: 0167-577X

年份: 2013

卷: 107

页码: 96-98

3 . 0 0 0

JCR@2022

ESI学科: MATERIALS SCIENCE;

ESI高被引阀值:263

JCR分区:1

中科院分区:2

被引次数:

WoS核心集被引频次: 52

SCOPUS被引频次: 60

ESI高被引论文在榜: 0 展开所有

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中文被引频次:

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