Wuhan University Journal of Natural Sciences

, Volume 18, Issue 6, pp 530–534 | Cite as

Synthesis of uniform silver nanoparticles by a microwave method in polyethylene glycol with the assistant of polyvinylpyrrolidone

  • Jie Zhu
  • Junjun Shi
  • Yueyue Pan
  • Xiaoli Liu
  • Li Zhou


We described a method for the rapid synthesis of uniform silver nanoparticles (NPs) under microwave heating, using poly(ethylene glycol) (PEG) as reducing agent and solvent and poly(vinylpyrrolidinone) (PVP) as capping agent. The transmission electron microscopy (TEM) and UV-Vis extinction spectra were used to characterize the size and uniformity of the silver NPs. At the same reaction temperature, the products with microwave heating were more uniform than that with oil heating. We also investigated the influence of reaction temperature, microwave power, and molar ratio of PVP to AgNO3. In our experiments, uniform silver NPs with mean diameter of 50 nm were synthesized at 140 °C under 700 W microwave irradiation with PVP/AgNO3 molar ratio of 5:1.

Key words

microwave synthesis silver NPs UV-Vis extinction uniformity 

CLC number

O 611.4 O 614.122 


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Copyright information

© Wuhan University and Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Jie Zhu
    • 1
  • Junjun Shi
    • 1
  • Yueyue Pan
    • 1
  • Xiaoli Liu
    • 1
  • Li Zhou
    • 1
  1. 1.School of Physics and TechnologyWuhan UniversityWuhanHubei, China

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