Transactions of the Korean hydrogen and new energy society (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Synthesis of Copper Nanoparticle by Multiple Thermal Decomposition and Electroless Ag Plating

복합적 열분해법을 이용한 구리 나노분말의 합성 및 무전해 은도금에 관한 연구

  • PARK, JEONGSOO (Grad. School of Department of Material Science and Engineering, Dong A University) ;
  • KIM, SANGHO (Grad. School of Department of Material Science and Engineering, Dong A University) ;
  • HAN, JEONGSEB (Grad. School of Department of Material Science and Engineering, Dong A University)
  • 박정수 (동아대학교 금속공학과) ;
  • 김상호 (동아대학교 금속공학과) ;
  • 한정섭 (동아대학교 금속공학과)
  • Received : 2017.01.26
  • Accepted : 2017.02.28
  • Published : 2017.02.28
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Abstract

To synthesize copper nanoparticle a thermal decomposition was adopted. And to solve the problem of surface oxidation of the synthesized copper powder an electroless Ag plating method was used. The size and shape of synthesized Cu nanoparticle were affected by the size of copper oxalate used as a precursor, reaction solvent, reaction temperature and amount of reducing agent. Especially reaction solvent is dominant factor to control shape of Cu nano-particle which can have the shapes of sphere, polygon and rod. In case of glycerol, it produced spherical shape of about 500 nm in size. Poly ethylene produced uniform polygonal shape in about 700 nm and ethylene glycol produced both of polygon and rod having size range between 500 and 1500 nm. The silver coated copper powder showed a high electrical conductivity.

Keywords

References

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