Electrophoretic deposition of ZnO–CeO₂ mixed oxide nanoparticles

Abstract

ZnO–CeO2 nanoparticles were synthesized by microwave combustion and deposited by electrophoretic deposition (EPD). The effect of using two different alcohols, ethanol and methanol, was investigated on EPD behavior and morphology of deposited film. Moreover, the effect of concentration of nanoparticles and applied voltage on the mass of deposit and the variation in the current density were investigated. With a change in the alcohol type, the surface morphology of deposition changed and some voids were observed on the deposition surface in ethanol. In all cases, with increasing concentration of nanoparticles in suspension, the number of developed cracks increased. Besides, a rise in voltage led to an increase in the number of cracks. The EPD processes in ethanol and methanol suspension were simulated over time using different zero boundary conditions. Hemi‐spherical morphology was seen for the nanoparticles deposited in ethanol. This kind of growth was simulated based on the changes in electrical field.

Electrophoretic deposition of titanium nitride coatings

“…The cracking threshold decreases at V d =120 V to less than 1 minute and the coating deposited at 2 minutes contains considerable density of cracks. Severe coating cracking at higher deposition voltages due to the increased thickness also reported in previous studies …”

Effect of Reaction Temperature on Synthesis and Characterization of Cerium Oxide (Ceo2) Nano Particles via Modified Co-Precipitation Method

“…In recent years, due to excellent physical and chemical properties of nano-sized particles, which are significantly different from those bulk materials. Numerous methods, including precipitation from solution [3], Microwave assisted method [4], Hydrothermal synthesis [5], Sol-gel [6], Solvo thermal method [7] have been used to prepare Ceria nano particles with different morphologies and size such as nano belts, nano spheres, nano fibres and flower-like morphologies.…”