Journal of the Semiconductor & Display Technology (반도체디스플레이기술학회지)

The Korean Society Of Semiconductor & Display Technology (한국반도체디스플레이기술학회)
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Fabrication of UV-C Emitting YPO4:Pr3+ Powder and Properties of YPO4:Pr3+-PVDF Electroluminescence Device

자외선-C 발광 YPO4:Pr3+ 분말제조 및 YPO4:Pr3+-PVDF 전계 발광소자 특성 연구

  • Baek, GyeongDo (Major of Display Semiconductor Engineering, Division of Electrical Engineering, Pukyong National University) ;
  • Afandi, Mohammad M. (Major of Display Semiconductor Engineering, Division of Electrical Engineering, Pukyong National University) ;
  • Park, Jehong (Major of Display Semiconductor Engineering, Division of Electrical Engineering, Pukyong National University) ;
  • Kim, Jongsu (Major of Display Semiconductor Engineering, Division of Electrical Engineering, Pukyong National University) ;
  • Jeong, Yongseok (Major of Display Semiconductor Engineering, Division of Electrical Engineering, Pukyong National University)
  • 백경도 (부경대학교 전기공학부 디스플레이반도체공학전공) ;
  • 아판디 모하메드 (부경대학교 전기공학부 디스플레이반도체공학전공) ;
  • 박재홍 (부경대학교 전기공학부 디스플레이반도체공학전공) ;
  • 김종수 (부경대학교 전기공학부 디스플레이반도체공학전공) ;
  • 정용석 (부경대학교 전기공학부 디스플레이반도체공학전공)
  • Received : 2022.04.11
  • Accepted : 2022.06.22
  • Published : 2022.06.30
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Abstract

The ultraviolet-C emitting praseodymium doped yttrium phosphate (YPO4:Pr3+) powder was synthesized by conventional solid-state reaction. The electroluminescence device was fabricated by simple screen-printing method using the synthesized YPO4:Pr3+ powder, especially, polyvinylidene fluoride as an insulating layer was applied on the printed YPO4:Pr3+ powder for stable performance of the electroluminescence. The electroluminescence properties were investigated under alternating current power system of 400 Hz. The device starts to emit at 350 V, which showed the ultraviolet-C emission peaking at the 233, 245, 264, 273 nm attributed to electronic transition of the Pr3+ ions. The electroluminescence intensity was increased as increasing the operating voltage and the device revealed stable performance up to 600 V due to the polyvinylidene fluoride serve as a protective layer.

Keywords

Acknowledgement

이 논문은 부경대학교 자율창의학술연구비(2021년)에 의하여 연구되었음.

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