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Fabrication, Properties and Laser Performance of Indium-Substituted YAG:Ho Phosphor by Co-Precipitation Method

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Abstract:

Ho-doped Yttrium aluminum indium garnet, Y3Al4.5In0.5O12 (YAIG), was synthesized by co-precipitation method. Effects of Ho concentration, reaction mechanism, crystallinity and luminescence properties of the phosphor powders were studied using the X-ray diffraction, thermo-gravimetry Analyzer,scanning electron microscopy and photoluminescence. The performances of samples were analyzed by changing the concentration of Ho3+ and the substitution of indium for aluminum. The results showed that pure cubic garnet phase was formed in the Indium-substituted samples, and the critical distance of the energy transfer was 1.41 nm. Both the excitation and emission intensities increased firstly and then decreased with the increasing of Ho3+ concentration. When the concentration of Ho3+ reached 15%, the photoluminescence property of the sample was best.

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Periodical:

Applied Mechanics and Materials (Volume 320)

Pages:

40-43

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.320.40

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Online since:

May 2013

Authors:

Shi Xing Liu, Wei Zhang, Zheng Fa Hu, Hao Yi Wu, Xia Sheng

Keywords:

Co-Precipitation Method, Luminescent Properties, YAIG

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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