Korean Journal of Materials Research (한국재료학회지)

Materials Research Society of Korea (한국재료학회)
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Effect of Surfactant on Synthesis of Colloidal Ag Nanoparticles

콜로이드 Ag 나노입자 합성시 계면활성제의 영향

  • Lee Jong-Kook (Department of Advanced Materials Engineering, Chosun University) ;
  • Choi Nam-Kyu (Department of Advanced Materials Engineering, Chosun University) ;
  • Seo Dong-Seok (School of Materials Science and Engineering, Seoul National University)
  • 이종국 (조선대학교 신소재공학과) ;
  • 최남규 (조선대학교 신소재공학과) ;
  • 서동석 (서울대학교 재료공학부)
  • Published : 2005.05.01
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Abstract

Silver nanoparticles were synthesized by chemical reduction method from aqueous silver nitrate solution ana hydrazine as a reduction agent. The morphology, particle size and shape were dependent on the mixing method, reaction temperature and time, molar ratio of hydrazine and silver nitrate, the kind of surfactant, and the addition of surfactant. The stability of the colloidal silver was achieved by the adsorption of surfactant molecules onto the particle. Silver nanoparticles have a characteristic absorption maximum at 430 nm under UV irradiation. It was found that the colloid was nanometer m size and formed very stable dispersion of silver. The Ag nanoparticles obtained showed the spherical shape with the size range of 10-30 nm.

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References

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