Optical and Luminescence Characteristic of Dy3+ Doped ZnO-Bao-TeO2 Glass System

Kitipun Boonin; Patarawagee Yasaka; J. Kaewkhao

doi:10.4028/www.scientific.net/AMM.431.27

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 431Optical and Luminescence Characteristic of Dy3+...

Optical and Luminescence Characteristic of Dy³⁺Doped ZnO-Bao-TeO₂ Glass System

Abstract:

Properties of Dy³⁺doped ZnO-BaO-TeO₂ (ZBaT) glass systems with composition 15ZnO-5BaO-(80-x)TeO₂-xDy₂O₃was measured for the composition range 1x8 (in mol%). The glasses were prepared by normal melt quenching technique and characterized their physical, optical and photoluminescence properties. The optical absorption spectra show peaks at ⁴I_15/2(466 nm), ⁴F_9/2 (475 nm), ⁶F_3/2 (756 nm), ⁶F_5/2 (804 nm), ⁶F_7/2+ ⁶H_5/2(904 nm), ⁶F_9/2+ ⁶H_7/2(1096 nm),⁶F_11/2+⁶H_9/2(1280 nm) and ⁶H_11/2(1640 nm), reflecting the Dy³⁺ in glass matrices. From the excitation spectra, five obvious excitation peaks were observed as follows: The ground state ⁶H_15/2 to the excited states ⁴M_7/2 + ⁶P_7/2 (351nm), ⁴I_11/2(366 nm), ⁴I_13/2 + ⁴F_7/2 (385 nm), ⁴G_11/2 (426 nm) and ⁴I_15/2 (450 nm) of Dy³⁺. The emission band at 484, 575 and 661 nm arising from the transition ⁴F_9/2⁶H_15/2, ⁴F_9/2⁶H_13/2and ⁴F_9/2⁶H_11/2respectively were observed when the sample was excited by xenon flash lamp at 450 nm. The ZBaT glass doped with 1 mol% of Dy³⁺gives the highest result for luminescence properties.

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Periodical:

Applied Mechanics and Materials (Volume 431)

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27-31

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https://doi.org/10.4028/www.scientific.net/AMM.431.27

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Online since:

October 2013

Authors:

Kitipun Boonin*, Patarawagee Yasaka, J. Kaewkhao

Keywords:

Luminescence Property, Physical Properties, Zinc Barium Tellurite Glass

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