10.1007/s40089-014-0136-1

Green synthesis and characterization of silver nanoparticles by leaf extracts of Cycas circinalis, Ficus amplissima, Commelina benghalensis and Lippia nodiflora

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  • I. Johnson*1,
  • H. Joy Prabu1,
  1. Department of Physics, St. Joseph’s College, Centre for Nano sciences and Applied Thermodynamics, Trichy, 620002, IN
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Published in Issue 2015-01-14

How to Cite

Johnson, I., & Prabu, H. J. (2015). Green synthesis and characterization of silver nanoparticles by leaf extracts of Cycas circinalis, Ficus amplissima, Commelina benghalensis and Lippia nodiflora. International Nano Letters, 5(1 (March 2015). https://doi.org/10.1007/s40089-014-0136-1
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Abstract

Abstract Biosynthesisof nanoparticles is a kind of bottom-up approach where the main reaction occurring is reduction. Since silver nanoparticles (AgNPs) have been used for infection prevention in medical field, it is more relevant to reduce their size using ancient Indian herbal plants. This method is good in anti-microbial efficiency against bacteria, viruses and other microorganisms and hence clearly enhances the medicinal usage of AgNPs. This type of green biosynthesis of nanoparticles has received increasing attention due to the growing need to develop safe, cost-effective and environmental-friendly technologies for nano-materials synthesis. In the process of synthesizing AgNPs, we observed a rapid reduction of silver ions leading to the formation of stable crystalline AgNPs in the solution. Plant extracts from Cycas circinalis , Ficus amplissima , Commelina benghalensis and Lippia nodiflora were used for the synthesis of AgNPs from silver nitrate solution. AgNPs were characterized by different techniques.

Keywords

  • Silver nanoparticles,
  • Green synthesis,
  • Bioreduction,
  • Plant extracts,
  • FTIR,
  • UV analysis,
  • SEM and XRD analyses
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