Copper Nanoparticles Synthesis | Image Resource : pubs.rsc.org With an average size of 1 to 100 nanometers, copper nanoparticles are a potent nano-wonder whose existence dates back to the ninth century where people use to color ceramics and glasses with the help of these particles. Interestingly nano-sized copper depicts unique anti-bacterial, anti-fungal and catalytic properties that are not seen in traditional copper. The small size and amazing blend of features is something that makes it an important member of the nanoparticle family.
Copper Nanoparticle Synthesis- How is it Performed? The formation of Cu nanoparticles is based on chemical synthesis that conventionally uses copper hydrazine carboxylate aqueous solution and reduces Cu from it either by heating it under argon gas through ultrasound or by reflux. This leads to a combination of pure copper nanoclusters with CuO, based on the method of extraction. However, with time several modern copper nanoparticles synthesis has made their way and they overcome the drawbacks of this method. One such method involves the reaction of sodium citrate with copper chloride in room temperature in a solution base containing SFS (sodium formaldehyde sulfoxylate) so as to create 100% pure copper nanoparticles. Though this delivers consistent volume of Cu nanoparticles, yet the possibility to control shapes and size is minimal. This is where another popular method makes it way; in which copper hydrazine carboxylate salt comes in contact with heat and ultrasound to generate radicals. Here, the temperature can be controlled in order to customize the size of the particles. What Are The Copper Nanoparticles Applications? The extraordinary properties of these particles have opened window towards a wide range of copper nanoparticles applications encapsulating innumerable industries. For instance, the catalytic property of the particles can be implemented for the making of advance and superior electrochemical and biosensors, similarly a Cu nanoparticle-plated carbon electrode are effective and stable in detecting 20-amino of the human body.
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