Abstract
We report a simple emulsion-based approach to form the droplet microreactors for synthesizing fine copper nanoparticles. The as-synthesized copper nanoparticles have a smaller diameter of ∼ 5 nm in comparison with those prepared in conventional beaker macroreactors. The nanoparticle size increases with the volume of the droplet microreactor. The measured thermal conductivity of the emulsion agrees well with the prediction by Maxwell model.
Keywords: Copper nanoparticles, nanofluids, droplet microreactors, thermal conductivity, conventional beaker macroreactors
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