Synthesis of Ultrafine Lu2Hf2O7/Tb Phosphor by Solution Combustion Process

Liao, Yi Kun; Jiang, Dan Yu; Xu, Yun Peng; Shi, Jian Lin

doi:10.4028/www.scientific.net/KEM.336-338.640

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Home Key Engineering Materials High-Performance Ceramics IVSynthesis of Ultrafine...

Synthesis of Ultrafine Lu₂Hf₂O₇/Tb Phosphor by Solution Combustion Process

Abstract:

Ultrafine terbium-doped Lu2Hf2O7/Tb phosphor powders are prepared by a solution combustion process using glycine and urea as fuel. Phase evolution of the synthesized powder is determined by X-ray diffraction (XRD) techniques. Single-phase cubic Lu2Hf2O7/Tb crystalline powder is obtained by calcining the amorphous materials at 800oC and no intermediate phase is observed. Transmission electronic microscope (TEM) morphology shows that the resultant Lu2Hf2O7/Tb powders have uniform size and good homogeneity. The photoluminescence (PL) spectra of Tb3+ substituted for Lu3+ in Lu2Hf2O7 with different content has been measured on samples calcined at 1000oC.

Info:

Periodical:

Key Engineering Materials (Volumes 336-338)

Main Theme:

High-Performance Ceramics IV

Edited by:

Wei Pan and Jianghong Gong

Pages:

640-642

DOI:

10.4028/www.scientific.net/KEM.336-338.640

Citation:

Y. K. Liao, D. Y. Jiang, Y. P. Xu, J. L. Shi, "Synthesis of Ultrafine Lu₂Hf₂O₇/Tb Phosphor by Solution Combustion Process", Key Engineering Materials, Vols. 336-338, pp. 640-642, 2007

Online since:

April 2007

Authors:

Yi Kun Liao, Dan Yu Jiang, Yun Peng Xu, Jian Lin Shi

Keywords:

Combustion, Lu₂Hf₂O₇, Luminescence

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$35.00

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