Rapid Synthesis of AgInS2/ZnS Core/Shell Nanoparticles and Their Luminescence Property

  • Lee, Seung Jae (Center for Membranes, Korea Research Institute of Chemical Technology) ;
  • Kim, Da Hea (College of Life Science and Nano Technology, Department of Chemistry, Hannam University) ;
  • Jung, Jongjin (College of Life Science and Nano Technology, Department of Chemistry, Hannam University) ;
  • Park, Joung Kyu (Center for Membranes, Korea Research Institute of Chemical Technology)
  • 투고 : 2015.06.23
  • 심사 : 2015.06.29
  • 발행 : 2015.06.30


We have successfully synthesized $AgInS_2$ core and $AgInS_2$/ZnS core/shell nanoparticles by the sonochemical method. The ultrasonic based $AgInS_2$ and $AgInS_2$/ZnS nanoparticle synthesis can be utilized as a simple and rapid method. The $AgInS_2$/ZnS nanoparticles show the higher fluorescence intensity and quantum yield than $AgInS_2$ nanoparticles. Fluorescence wavelength of $AgInS_2$/ZnS shows blue shift from 635 nm to 610 nm against $AgInS_2$ because of reducing the defect sites and increasing spatial confinements. For the fluorescence lifetime, $AgInS_2$/ZnS (124.8 ns) has longer lifetime than $AgInS_2$ (54.8 ns).


연구 과제 주관 기관 : Korea Institute for Advancement of Technology Foundation


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