한국표면공학회지 (Journal of the Korean institute of surface engineering)

  • 제45권5호
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  • Pages.193-197
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  • 2012
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  • 1225-8024(pISSN)
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  • 2288-8403(eISSN)
한국표면공학회 (The Korean Institute of Surface Engineering)
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산소 분위기에서 열처리시 ZnS 나노선의 발광 강도 변화

Enhancement of Photoluminescence Intensity of ZnS Nanowires by Annealing in O2

  • 권진업 (한국폴리텍대학 인천캠퍼스 신소재응용학과) ;
  • 이종우 (한국폴리텍대학 인천캠퍼스 신소재응용학과)
  • Kwon, Jin-Up (Dept. of Advanced Material Eng., Incheon Campus Korea Polytechnicll College) ;
  • Lee, Jong-Woo (Dept. of Advanced Material Eng., Incheon Campus Korea Polytechnicll College)
  • 투고 : 2012.09.01
  • 심사 : 2012.10.30
  • 발행 : 2012.10.31
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초록

The influence of annealing process in an $O_2$ atmosphere on the photoluminescence (PL) spectra properties of ZnS nanowires has been investigated. ZnS nanowires with the diameters approximately 100 nm and the lengths a few tens micrometers were synthesized by evaporating ZnS powders on Si substrates while using an Au thin film as a catalyst. ZnS nanowires had an NBE emission band at 430 nm in the violet region. The emission intensity was improved drastically by a process in which ZnS nanowires were heat-treated at $500^{\circ}C$ in an $O_2$ atmosphere for 45 minutes.

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