Abstract
This study was aimed at characterizing metallic Ti electrodes and nanoparticles fabricated from a titanium chloride/deep eutectic solvent (DES) solution by applying electric current between metallic Ti plates used as the anode and cathode under ultrasonic irradiation at room temperature. The cathode was not damaged during the flow of electric current, whereas the anode deteriorated to produce a nanoparticle colloidal solution. The nanoparticle size ranged from 5.3 to 12.2 nm. X-ray diffraction measurements revealed that the Ti nanoparticle powder exhibited a hexagonal crystal structure without any crystalline Ti oxide. However, X-ray photoelectron spectroscopy results indicated the presence of O. Furthermore, the metallic Ti nanoparticles were noted to be covered with Ti oxide layers. These layers acted as a physical barrier, protecting the metallic Ti nanoparticles against further oxidation by exposure to water and air.
Published Version
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