한국분말재료학회지 (Journal of Powder Materials)

  • 제17권5호
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  • Pages.390-398
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  • 2010
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  • 2799-8525(pISSN)
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  • 2799-8681(eISSN)
한국분말재료학회 (*구 분말야금학회) (The Korean Powder Metallurgy & Materials Institute)
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Synthesis of Gold Nanoparticles by Chemical Reduction Method for Direct Ink Writing

  • Cho, Young-Sang (Nano Functional Materials Research Group, Department of Powder Materials, Korea Institute of Materials Science) ;
  • Son, Soo-Jung (Nano Functional Materials Research Group, Department of Powder Materials, Korea Institute of Materials Science) ;
  • Kim, Young-Kuk (Nano Functional Materials Research Group, Department of Powder Materials, Korea Institute of Materials Science) ;
  • Chung, Kook-Chae (Nano Functional Materials Research Group, Department of Powder Materials, Korea Institute of Materials Science) ;
  • Choi, Chul-Jin (Nano Functional Materials Research Group, Department of Powder Materials, Korea Institute of Materials Science)
  • 투고 : 2010.07.28
  • 심사 : 2010.09.27
  • 발행 : 2010.10.28
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초록

Aqueous gold nanoparticle dispersion was synthesized by chemical reduction method using diethanolamine as reducing agent and polyethyleneimine as dispersion stabilizer. The synthesis conditions for the stable dispersion of the gold nanoparticle suspension were determined by changing the amount of the reducing agent and dispersant during the wet chemical synthesis procedures. The face centered cubic lattice structure of the gold nanoparticles was confirmed by using X-ray diffraction and the morphologies of the nanoparticles were observed by transmission electron microscope. The synthesized gold nanoparticle dispersion was concentrated by evaporating the dispersion medium at room temperature followed by the addition of ethyleneglycol as humectant for the increase of the elastic properties to obtain gold nanoparticle inks for direct ink writing process. The line patterns were obtained with the gold nanoparticle inks during the writing procedures and the morphologies of the fine patterns were observed by scanning electron microscope.

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참고문헌

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