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DONG-JIN LEE
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Volume 42 Issue 2 April 2019 Article ID 0049
Preparation of Cu nanoparticles by a pulsed wire evaporation process for conductive ink applications
DONG-JIN LEE FAN-LONG JIN SOO-JIN PARK
In the present study, Cu colloidal nanoparticles and nanopowders were successfully synthesized by a pulsed wire evaporation process. Cu-based nano-inks were prepared by mixing Cu nanoparticles with acrylic resin and solvent.Cu nanoparticles with a particle size of <20 nm were uniformly dispersed in ethylene glycol. The Cu nanopowders were successfully coated with an organic solvent composed of a hydrocarbon compound. This organic coating effectively inhibited the oxidation of Cu nanopowders. In addition, the stability of dispersion of Cu nanoparticles in the inks was improved by a ball-milling process. The electrical conductivity of the prepared Cu nano-inks was 10–28 $\mu$S cm$^{−1}$ for 20–40 wt% of Cu.
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Bulletin of Materials Science
Volume 44, 2021
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Dr Shanti Swarup Bhatnagar for Science and Technology
Posted on October 12, 2020Prof. Subi Jacob George — Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
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