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Journal of Display Technology

Journal of Display Technology


  • Vol. 8, Iss. 3 — Mar. 1, 2012
  • pp: 127–131

Preparation of Red-Emitting Phosphor [K0.8Y0.65Eu3+0.08][Mo0.2W0.8O4] and Calculation of Eu3+ 5D0 Quantum Efficiency

Fa-Bin Cao, Liao-Sha Li, Zhao-Jin Wu, Xing-Rong Wu, Jian-Hua Zhu, and Wei-Ming Liu

Journal of Display Technology, Vol. 8, Issue 3, pp. 127-131 (2012)

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The red-emitting phosphor [K<sub>0.8</sub>Y<sub>0.65</sub>Eu<sup>3+</sup><sub>0.08</sub>][Mo<sub>0.2</sub>W<sub>0.8</sub>O<sub>4</sub>] was produced by a solid-state method. Through XRD spectra, DTA-TG and photo-luminescent analysis, the possible reaction path and the emission mechanism of the phosphor were mentioned, and the partial Judd–Ofelt parameters and quantum efficiency of Eu<sup>3+</sup> <sup>5</sup>D<sub>0</sub> energy level were calculated under 395 nm excitation. The results indicate that the red-emitting phosphor, of which the quantum efficiency is 13.43%, can become the potential applications for white light-emitting diode in the future.

© 2012 IEEE

Fa-Bin Cao, Liao-Sha Li, Zhao-Jin Wu, Xing-Rong Wu, Jian-Hua Zhu, and Wei-Ming Liu, "Preparation of Red-Emitting Phosphor [K0.8Y0.65Eu3+0.08][Mo0.2W0.8O4] and Calculation of Eu3+ 5D0 Quantum Efficiency," J. Display Technol. 8, 127-131 (2012)

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