Journal of the Semiconductor & Display Technology (반도체디스플레이기술학회지)

The Korean Society Of Semiconductor & Display Technology (한국반도체디스플레이기술학회)
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Ultraviolet-emissive BaSiO3:Ce3+ Phosphor for VUV Excimer Lamp

  • Lee, Jugyeong (Department of Display Science and Engineering, Pukyong National University) ;
  • Afandi, Mohammad M. (Department of Display Science and Engineering, Pukyong National University) ;
  • Kim, Jongsu (Department of Display Science and Engineering, Pukyong National University) ;
  • Heo, Hoon (Department of Display Science and Engineering, Pukyong National University)
  • Received : 2021.03.22
  • Accepted : 2021.06.18
  • Published : 2021.06.30
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Abstract

Ultraviolet (UVA)-emissive BaSiO3:Ce3+ phosphor was astonishingly reproducible by vacuum-sintering at a high temperature through a simple solid-state reaction method. It was conveniently formed in BaSiO3 phases. The compound showed the UVA emission and the UV-VUV excitation due to 5d-4f transitions from Ce3+ ions: emission peak at 380 nm with a 56 nm width. Its temperature dependence and vacuum UV excitability were examined for practical application as an excimer discharge lamp, which showed the high thermal stability (80% at 100℃) and the strong VUV excitations at 145 nm and 172 nm.

Keywords

Acknowledgement

This work was supported by a Research Grant of Pukyong National University (2019 year).

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