Improving crystalline morphology and photoluminescent properties of BaY2ZnO5:Eu3+ phosphors prepared using microwave assisted sintering

Huang Yu Chen, Ru Yuan Yang, Shoou Jinn Chang

研究成果: Article

23 引文 (Scopus)

摘要

This paper describes an investigation of the crystalline morphology and photoluminescent properties of BaY2ZnO5:Eu3+ powders using microwave assisted sintering. For comparison, the properties of BaY2ZnO5:Eu3+ powders prepared by a solid-state reaction in a conventional furnace were also investigated. The results showed that the formation time of the single phase for BaY1.8Eu 0.2ZnO5 powders sintered at 1250 °C in the microwave furnace is significantly reduced to 1 h, and the emission spectra of BaY 1.8Eu0.2ZnO5 powders excited at 395 nm exhibit a maximum peak assigned to 5D07F 2 transition. In addition, the emission intensity of the prepared powder is definitely enhanced, compared to that sintered at 1250 °C/10 h in a conventional sintering furnace.

原文English
頁(從 - 到)2548-2550
頁數3
期刊Materials Letters
64
發行號22
DOIs
出版狀態Published - 2010 十一月 30

指紋

Phosphors
Powders
phosphors
sintering
Sintering
Microwaves
Crystalline materials
microwaves
furnaces
Furnaces
Solid state reactions
emission spectra
solid state

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

引用此文

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abstract = "This paper describes an investigation of the crystalline morphology and photoluminescent properties of BaY2ZnO5:Eu3+ powders using microwave assisted sintering. For comparison, the properties of BaY2ZnO5:Eu3+ powders prepared by a solid-state reaction in a conventional furnace were also investigated. The results showed that the formation time of the single phase for BaY1.8Eu 0.2ZnO5 powders sintered at 1250 °C in the microwave furnace is significantly reduced to 1 h, and the emission spectra of BaY 1.8Eu0.2ZnO5 powders excited at 395 nm exhibit a maximum peak assigned to 5D0 → 7F 2 transition. In addition, the emission intensity of the prepared powder is definitely enhanced, compared to that sintered at 1250 °C/10 h in a conventional sintering furnace.",
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AB - This paper describes an investigation of the crystalline morphology and photoluminescent properties of BaY2ZnO5:Eu3+ powders using microwave assisted sintering. For comparison, the properties of BaY2ZnO5:Eu3+ powders prepared by a solid-state reaction in a conventional furnace were also investigated. The results showed that the formation time of the single phase for BaY1.8Eu 0.2ZnO5 powders sintered at 1250 °C in the microwave furnace is significantly reduced to 1 h, and the emission spectra of BaY 1.8Eu0.2ZnO5 powders excited at 395 nm exhibit a maximum peak assigned to 5D0 → 7F 2 transition. In addition, the emission intensity of the prepared powder is definitely enhanced, compared to that sintered at 1250 °C/10 h in a conventional sintering furnace.

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