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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 25 — Dec. 3, 2012
  • pp: 27361–27366

Luminescence properties, crystal structure and LED package of potential blue-emitting phosphors - Ca2BN2F:Eu2+

Yi-Chen Chiu, Wei-Ren Liu, Chien-Hao Huang, Yao-Tsung Yeh, and Shyue-Ming Jang  »View Author Affiliations

Optics Express, Vol. 20, Issue 25, pp. 27361-27366 (2012)

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A blue-emitting phosphor - Ca2BN2F:Eu2+ was synthesized by a solid state reaction. Ca2BN2F crystallizes in the orthorhombic system with space group Pnma (No. 62) and Z = 4. The Ca2BN2F:Eu2+ exhibites broad emission and excitation bands corresponding to the allowed fd electronic transition of Eu2+. Concentration quenching of Eu2+ emission was observed for 1 mol% due to the energy transfer between Eu2+ ions via electric multipolar interaction with the critical transfer distance of about 25.11 Å. In addition, the thermal stability and applications of blue-emitting Ca2BN2F:Eu2+ phosphors in n-UV LED have been firstly discussed in this study. The preliminary data demonstrate that the novel blue-emitting phosphor exhibits the potential to be an n-UV convertible phosphor.

© 2012 OSA

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(250.5230) Optoelectronics : Photoluminescence
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

ToC Category:

Original Manuscript: August 16, 2012
Revised Manuscript: October 19, 2012
Manuscript Accepted: October 23, 2012
Published: November 21, 2012

Yi-Chen Chiu, Wei-Ren Liu, Chien-Hao Huang, Yao-Tsung Yeh, and Shyue-Ming Jang, "Luminescence properties, crystal structure and LED package of potential blue-emitting phosphors - Ca2BN2F:Eu2+," Opt. Express 20, 27361-27366 (2012)

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