Korean Journal of Chemical Engineering

, Volume 26, Issue 1, pp 153–155 | Cite as

Preparation of colloidal silver nanoparticles by chemical reduction method

  • Ki Chang Song
  • Sung Min Lee
  • Tae Sun Park
  • Bum Suk LeeEmail author


Colloidal silver nanoparticles were obtained by chemical reduction of silver nitrate in water with sodium borohydride (NaBH4) in the presence of sodium dodecyl sulfate (SDS) as a stabilizer. The obtained nanoparticles were characterized by their UV-vis absorption spectra and transmission electron micrograph (TEM) images. The UV-vis absorption spectra showed that NaBH4 served not only as a reducing agent but also as a stabilizer, which protects the aggregation of silver nanoparticles. The TEM images showed that the particles were dispersed better with increasing the NaBH4 concentration.

Key words

Silver Nanoparticles Chemical Reduction SDS UV-vis Absorption Spectra TEM 


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Copyright information

© Springer 2009

Authors and Affiliations

  • Ki Chang Song
    • 1
  • Sung Min Lee
    • 1
  • Tae Sun Park
    • 1
  • Bum Suk Lee
    • 2
    Email author
  1. 1.Department of Chemical and Biochemical EngineeringKonyang UniversityChungnamKorea
  2. 2.Korea Institute of Energy ResearchDaejeonKorea

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