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(Eu2+, Nd3+를 도핑시킨 BaAl2O4 형광체의 광학 및 장잔광특성 KCI 등재

Optical and Long After-Glow Characteristics of Eu2+, Nd3+ doped BaAl2O4 Phosphorescent Crystals

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  • URLhttps://db.koreascholar.com/Article/Detail/257369
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한국응용과학기술학회지 (The Korean Society of Applied Science and Technology)
한국응용과학기술학회(구 한국유화학회) (The Korean Society of Applied Science and Technology (KSAST))
초록

In recent days, the study of a new phosphorescent phosphor has been performed in order to overcome the defect of sulfide phosphor and increase the brightness and long after-glow characteristic of phosphorescent phosphor. Particularly, sulfide phosphor usually used is so chemically unstable that the study of oxide phosphors are processing. Eu2+, Nd3+ doped Ba-Al-O phosphors sintered at 600~1500℃ for 2hours had the PL emission spectrum and after-glow over 1200℃. In this system, as the mole concentration of alumina increases, emission bands of phosphors moved from 500nm to 380nm. The optimum concentration of flux was 5wt% and after-glow characteristics of phosphors were found at the host material molar ratio (BaCO3:Al2O3), 1:1 and 1:3.

저자
  • 김정환 | Kim, Jeong-Hwan
  • 김병규 | Kim, Byung-Gyu
  • 이동규 | Lee, Dong-Kyu