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Synthesis of Copper/Silver Core/Shell Nanoparticles by a Transmetallation Method

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Silver nanoparticles have been extensively used in the fields of inkjet printing and semiconducting industries. However, due to the high production cost for synthesizing silver nanoparticles, an alternative nanomaterial such as copper nanoparticles that have lower cost and good conductivity to replace silver nanoparticles is used to replace silver nanoparticles. In order to prevent the oxidation of copper nanoparticles, the formation of a silver shell on the external surface of copper nanoparticles as protective layer has been highly demanded. Here, we use a transmetallation method to successfully synthesize the copper/silver core/shell nanoparticles. The obtained copper/silver core/shell samples are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) with energy-dispersive (EDS), and high-resolution transmission electron microscopy (HR-TEM) to prove the formation of the core/shell structure. The synthesized copper/silver core/shell nanoparticles would be potential for application of inkjet printing in the future.
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Keywords: COPPER; CORE/SHELL; NANOPARTICLES; SILVER; TRANSMETALLATION

Document Type: Short Communication

Publication date: March 1, 2016

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  • Nanoscience and Nanotechnology Letters (NNL) is a multidisciplinary peer-reviewed journal consolidating nanoscale research activities in all disciplines of science, engineering and medicine into a single and unique reference source. NNL provides the means for scientists, engineers, medical experts and technocrats to publish original short research articles as communications/letters of important new scientific and technological findings, encompassing the fundamental and applied research in all disciplines of the physical sciences, engineering and medicine.
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