The Influence of B2O3 on the Luminescence Behavior of ZnGa2O4 Phosphor at Different Sinter Temperatures

Rui Xia Zhong; Zi Ran Liu; Jian Quan Qi

doi:10.4028/www.scientific.net/AMR.690-693.627

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 690-693The Influence of B2O3 on the Luminescence Behavior...

The Influence of B₂O₃ on the Luminescence Behavior of ZnGa₂O₄ Phosphor at Different Sinter Temperatures

Abstract:

ZnGa₂O₄ phosphors have been synthesized by solid state reaction at different temperatures with different B₂O₃ concentration incorporated in the experiments. All samples present green (509 nm) and red (696 nm) emission bands under ultraviolet excitation (250 nm), whose intensity changes because of the increasing B₂O₃ contents. The green and the red long afterglow have been observed after removing the ultraviolet light and the performance largely improves with the introduction of B₂O₃. The effects of the doping contents of B₂O₃ as well as the sintering temperatures on the luminescent properties of the obtained products have been investigated. The introduction of B₂O₃ changes the ratio of the two emitting centers and increases the depth of the trap centers in the samples.

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Advanced Materials Research (Volumes 690-693)

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627-631

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https://doi.org/10.4028/www.scientific.net/AMR.690-693.627

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May 2013

Authors:

Rui Xia Zhong, Zi Ran Liu, Jian Quan Qi

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Long Afterglow, Luminescence, ZnGa₂O₄

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