Fabrication of Metal Particles Using Differences in Standard Electrode Potentials

Reo Kasori; Noriko Yamauchi; Shohei Tada; Yoshio Kobayashi

doi:10.4028/p-D7ZnUq

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Electrochemical Performance of Activated Carbon-NiCo₂O₄ as Candidate for Supercapacitor Electrode Materials
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HomeSolid State PhenomenaSolid State Phenomena Vol. 363Fabrication of Metal Particles Using Differences...

Fabrication of Metal Particles Using Differences in Standard Electrode Potentials

Abstract:

This study proposes a simple method for fabricating metal particles. Metal nanoparticles are synthesized in an aqueous solution. The synthesis method is based on the galvanic replacement of one metal with another, i.e., the deposition of a metal on the surface of another metal using difference between the standard electrode potentials of the metals under ultrasonication. An aqueous colloidal solution of metallic copper (Cu) nanoparticles is prepared using Cu acetate and a metallic zinc (Zn) plate. A similar colloidal solution of metallic Cu nanoparticles is prepared using Cu acetate and a metallic iron plate. No metallic nanoparticles are obtained using metallic aluminum and nickel (Ni) plates because of the formation of passivated layers. An aqueous colloidal solution of metallic Ni nanoparticles is prepared using Ni acetate and a metallic Zn plate; however, Ni_0.7Zn_0.3O is also formed. The results of the study show that the proposed method can be used to produce metallic particles in a simple manner.

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Periodical:

Solid State Phenomena (Volume 363)

Pages:

131-136

DOI:

https://doi.org/10.4028/p-D7ZnUq

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Online since:

September 2024

Authors:

Reo Kasori, Noriko Yamauchi, Shohei Tada, Yoshio Kobayashi*

Keywords:

Colloid, Copper, Nanoparticle, Nickel, Standard Electrode Potential, Ultra-Sonication

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* - Corresponding Author

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