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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 12, Iss. 7 — Jul. 1, 2014
  • pp: 071602–

Blue to red color-tunable Eu-doped AlPO4 mesoporous glass

Jin He, Yan Wang, Rihong Li, Xinqiang Yuan, and Long Zhang  »View Author Affiliations


Chinese Optics Letters, Vol. 12, Issue 7, pp. 071602- (2014)


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Abstract

A tunable luminescence from red to blue in Eu-doped mesoporous AlPO4 glass is achieved by adjusting the annealing temperature. With increasing annealing temperature, the increased Eu3+ ions reduction changes the luminescence of the obtained glass. The abnormal reduction of Eu3+ to Eu2+ occurs in AlPO4 mesoporous glass at relative low annealed temperatures from 600 to 800 oC in air. The presence of Eu2+ ions, which are reduced from Eu3+ by hole-electron pairs, is revealed by XPS spectra. Our results indicate the mesoporous AlPO4 glass is a suitable matrix to incorporate Eu ions as the tunable luminescent light sources or LEDs.

© 2014 Chinese Optics Letters

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.2750) Materials : Glass and other amorphous materials
(160.5690) Materials : Rare-earth-doped materials
(160.6060) Materials : Solgel

ToC Category:
Materials

Citation
Jin He, Yan Wang, Rihong Li, Xinqiang Yuan, and Long Zhang, "Blue to red color-tunable Eu-doped AlPO4 mesoporous glass," Chin. Opt. Lett. 12, 071602- (2014)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-12-7-071602

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