Abstract
A straightforward one-step method had been explored to synthesize native or ethyl carbamate modified Field’s alloy nanoparticles by using a nanoemulsification technique. The characterization of particle size, structure and surface charge of synthesized native or modified Field’s alloy nanoparticles were conducted by atomic force microscopy (AFM), dynamic light scattering (DLS) and zeta potential analyzer in particular. The dispersion stability of the native and modified nanofluid in poly-alpha-olefin (PAO) oil was evaluated using a portable ultraviolet-visible spectrometer by monitoring the optical transparency continuously at certain wavelength. The thermal properties of nanoparticles and nanofluid were characterized by differential scanning calorimetry (DSC). Results show that the modified Field’s alloy nanofluid displays improved thermal properties and excellent dispersion stability, which has bright future in applications for thermal management of electronic devices, electric vehicles, and other energy transfer systems.
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