One-Pot Synthesis of Metallic Zn Nanoparticles by Chemical Reduction Method under Mild Condition

Authors

  • Chonrawee Meesaengpet Department of Chemistry, Faculty of Science, Silpakorn University
  • Pattanawit Swanglap Department of Chemistry, Faculty of Science, Silpakorn University
  • Cheewita Suwanchawalit Department of Chemistry, Faculty of Science, Silpakorn University
  • Kanjarat Sukrat Chemistry Program, Faculty of Science and Technology, Nakhon Pathom Rajabhat University
  • Warut Thammawichai Division of Science, Academic Faculty, Navaminda Kasatriyadhiraj Royal Air Force Academy
  • Nathawat Poopakdee Division of Science, Academic Faculty, Navaminda Kasatriyadhiraj Royal Air Force Academy
  • Kullatat Suwatpipat Department of Chemistry, Faculty of Science, Silpakorn University

Abstract

Zinc (Zn) has been widely used for coating steel surface for the protection from corrosion because of a sacrificial anode property of Zn. Moreover, Zn is low toxic and inexpensive. Nowadays, Zn have been mixed with coating or paints, which are much convenient for repairing or maintaining works. For mixing Zn in the coating, the Zn particles should be small for better anticorrosion efficiency. In this research, the synthesis of zinc metal nanoparticles (ZnNPs) with the method that could be further developed to a mass-scale production was studied. Decreasing the procedure stages to one-pot reduction synthesis method was introduced. This method could reduce chemicals usages, time, and energy. ZnNPs were synthesized by the reaction of Zn2+ with benzildiethylenetriamine (BDT), a mild reducing agent. The synthesis conditions, namely the Zn2+ sources, the quality of a solvent, and the solvent volumes were investigated. The products were characterized by several techniques such as proton nuclear magnetic resonance spectroscopy (1H-NMR) for chemical structure identification, field emission scanning electron microscope (FESEM) for morphology, X-ray diffraction (XRD) for crystallinity, and dynamic light scattering (DLS) for particle size distribution. It was confirmed that the obtained products were ZnNPs, which were white fine powder with the particle sizes in nanometer ranges (nanoscale). The sizes and morphologies of ZnNPs were depended on the solvent volume used in the synthesis. Keywords :  zinc ; nanoparticle ; reduction ; one-pot synthesis ; mild condition

Author Biography

Kullatat Suwatpipat, Department of Chemistry, Faculty of Science, Silpakorn University

   

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Published

2020-09-01