Synthesis of Copper Nanoparticles at Room Temperature Using Hydrazine in Glycerol

Abstract:

Copper nanoparticles (CuNPs) have been prepared by the reduction of copper chloride in glycerol using hydrazine at ambient conditions. The reduction process takes place under vigorous stirring for 8 h. The formation of CuNPs and size were confirmed by UV/Vis analysis and TEM imaging respectively. The experiment result showed that, 7.062 mM of hydrazine solution and 0.0147 mM of Cu²⁺ solution were needed to synthesize narrow size monodisperseCuNPs.The presence of nanoparticle was found after an induction period of 4 h and further reaction time, complete Cu⁰ state nanoparticle was obtained as deep red wine colour was observed. Stability study of CuNPs showed that the nanoparticles were stable up to 4 days. The particle size of the nanoparticles have been analysed by transmission electron microscopy (TEM) and the average size of CuNPs was in the range 2 to 10 nm.

• Periodical: Applied Mechanics and Materials (Volume 481)
• Pages: 21-26
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.481.21
• Online since: December 2013
• Authors: Huei Ruey Ong*, Maksudur Rahman Khan, Ridzuan Ramli, Rosli Mohd Yunus
• Keywords: Chemical Reduction, Copper Nanoparticles, Glycerol, Hydrazine

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