Do you think that if we use this method to prepare copper nanoparticles based on the template method, it is possible to succeed?
Yifan Zyf
This reaction is demonstrated in school to prove the location of metals in a series of standard electrode potentials. The more active metal iron displaces the less active metal copper. To do this, take a clean iron nail and dip it in a solution of copper sulfate. It is coated with copper nanoparticles.
Template methods include the synthesis of nanoparticles in micellar surfactant solutions and micellar water-soluble polymers. For example, the synthesis of nanoparticles in micellar solutions of cetylpyridinium chloride allowed us to discover the quantum properties of aqueous micellar solutions. According to the classical theory of the structure of micelles, ions for the formation of a condensation nucleus must occur in the adsorption layer of micelles. Therefore, it is impossible to design cetylpyridinium chloride (CPC) micelles for the synthesis of copper nanoparticles from Cu2+ copper ions, because they must be repelled by the positive charge of the nCP+ micelle. However, the temporal phase allows the synthesis of nanoparticles inside a quantum micelle. To 10 ml of a 2 M aqueous solution of hydrazine, 0.006 M CPC, add 10 ml of a 0.02 M solution of CuCl2, 0.006 M CPC with vigorous stirring and room temperature. Throughout the experiment, nitrogen is passed through the reaction mixture to avoid oxidation of the resulting copper nanoparticles. The reaction occurs in 2.5 hours. 20 ml of dark red colloidal dispersion are obtained. According to electron microscopy, the diameter of the synthesized copper nanoparticles is 1-3 nm.
Preprint Nuclear quantum effect in aqueous micellar surfactant solutions
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