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Synthesis and luminescence properties of the red phosphor CaZrO3:Eu3+ for white light-emitting diode application

  • Research Article
  • Published:
Central European Journal of Physics

Abstract

Eu3+-doped CaZrO3 phosphor with perovskite-type structure was synthesized by the high temperature solid-state method. The samples were characterized by X-ray diffraction, scanning electron microscopy, fluorescence spectrophotometer and UV-vis spectrophotometer, respectively. XRD analysis showed that the formation of CaZrO3 was at the calcinations temperature of 1400°C. The average diameter of CaZrO3 with 4 mol% doped-Eu3+ was 2µm. The PL spectra demonstrated that CaZrO3:Eu3+ phosphor could be excited effectively in the near ultraviolet light region (397 nm) and emitted strong red-emission lines at 616 nm corresponding to the forced electric dipole 5 D 0 → 7 F 2 transitions of Eu3+. Meanwhile, the light-emitting diode was fabricated with the Ca0.96ZrO3:Eu 3+0.04 phosphor, which can efficiently absorb ∼ 400 nm irradiation and emit red light. Therefore Ca0.96ZrO3:Eu 3+0.04 may have applications for a near ultraviolet InGaN chip-based white light-emitting diode.

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Authors and Affiliations

  1. Key laboratory of new processing technology for nonferrous metals and materials, Ministry of Education, Guangxi University, Nanning, 530004, China

    Junli Huang, Liya Zhou, Yuwei Lan, Fuzhong Gong, Qunliang Li & Jianhua Sun

  2. School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China

    Junli Huang, Liya Zhou, Yuwei Lan, Fuzhong Gong, Qunliang Li & Jianhua Sun

  3. Research and Quality Detection Center, Gongdong Evergreen Group Co. Ltd., Zhanjiang, 524094, China

    Junli Huang

Authors
  1. Junli Huang
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  2. Liya Zhou
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  3. Yuwei Lan
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  4. Fuzhong Gong
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  5. Qunliang Li
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Correspondence to Liya Zhou.

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Huang, J., Zhou, L., Lan, Y. et al. Synthesis and luminescence properties of the red phosphor CaZrO3:Eu3+ for white light-emitting diode application. centr.eur.j.phys. 9, 975–979 (2011). https://doi.org/10.2478/s11534-010-0132-7

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  • DOI: https://doi.org/10.2478/s11534-010-0132-7

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