Fabrication and Properties of Zinc Silicate Phosphors through Solid State Reaction

Abstract:

Zinc silicate-based (Zn2SiO4:Eu3+) long afterglow phosphors were produced by solid state reaction method. The effects of borax and Eu2O3 additive on the properties of fabricated products have been studied. The results show that, there is not much difference in phase compositions within the borax additive amount; however, their SEM morphologies are different. Borax additive can increase the grain size of the product. Some sintering phenomena could be observed in the sample with Eu2O3 addition. The fluorescence spectroscopy results indicate that, the emission peak of the sample with Eu3+ additive located at 612nm, which may be a good candidate for red phosphor applications. The luminescent mechanism of Zn2SiO4:Eu3+ is also discussed.

• Periodical: Advanced Materials Research (Volumes 160-162)
• Pages: 594-598
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.160-162.594
• Online since: November 2010
• Authors: Guo Jian Jiang, Jia Yue Xu, Hui Shen, Yan Zhang, Lin He Xu, Han Rui Zhuang, Wen Lan Li
• Keywords: Eu³⁺, Long Afterglow Phosphor, Solid-State Reaction, Zinc Silicate

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