Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Effects of Synthesis Conditions on Luminescence Characteristics of Glutathione Capped ZnSe Nano particles

글루타티온이 캡핑된 ZnSe 나노 입자 발광 특성에 미치는 합성 조건의 영향

  • Back, Geum Ji (Department of Environment & Energy Engineering, Sungshin Women's University) ;
  • Song, Ha Yeon (Department of Environment & Energy Engineering, Sungshin Women's University) ;
  • Lee, Min Seo (Department of Environment & Energy Engineering, Sungshin Women's University) ;
  • Hong, Hyun Seon (Department of Environment & Energy Engineering, Sungshin Women's University)
  • 백금지 (성신여자대학교, 청정융합에너지공학과) ;
  • 송하연 (성신여자대학교, 청정융합에너지공학과) ;
  • 이민서 (성신여자대학교, 청정융합에너지공학과) ;
  • 홍현선 (성신여자대학교, 청정융합에너지공학과)
  • Received : 2021.02.12
  • Accepted : 2021.02.25
  • Published : 2021.02.28
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Abstract

Zinc selenide (ZnSe) nanoparticles were synthesized in aqueous solution using glutathione (GSH) as a ligand. The influence of the ligand content, reaction temperature, and hydroxyl ion concentration (pH) on the fabrication of the ZnSe particles was investigated. The optical properties of the synthesized ZnSe particles were characterized using various analytical techniques. The nanoparticles absorbed UV-vis light in the range of 350-400 nm, which is shorter than the absorption wavelength of bulk ZnSe particles (460 nm). The lowest ligand concentration for achieving good light absorption and emission properties was 0.6 mmol. The reaction temperature had an impact on the emission properties; photoluminescence spectroscopic analysis showed that the photo-discharge characteristics were greatly enhanced at high temperatures. These discharge characteristics were also affected by the hydroxyl ion concentration in solution; at pH 13, sound emission characteristics were observed, even at a low temperature of 25℃. The manufactured nanoparticles showed excellent light absorption and emission properties, suggesting the possibility of fabricating ZnSe QDs in aqueous solutions at low temperatures.

Keywords

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