Abstract

The objective of this project is to synthesis ZrO₂ and TiO₂ nanoparticlesby chemical methods. 4.2 g of ZrCl₄ was dissolved in 300 mL distilled water, the source solution. 0, 03 M/mL as a molar concentration of sorbitol and ammonia was made as a solution, called a “target” and stirredfor 5 min. The source and target were mixed and stirred slowly. The final solution was heated to 70°C with stirring. Finally The solution was filtered and washed to obtain the nanoparticles; 5 mL of titanium isopropoxide was added to 15 mL of isopropanol. A solution of water, HNO3 and NH4OH was added to the first solution in order to tune ph to be 4. Then the mixture was stirred at 60- 70°C for 20 h. Thereafter the precipitate was filtered and washed with ethanol and then dried at 100°C for 4 h under vacuum. Finally the powder was annealed at 600°C for 2 h to obtain TiO2 nanoparticles. UV-VIS, XRD and SEM analyses were made to these powders, compared with other ones and then found that these particles obtained are in Nano range.

Keywords:

Chemical method, nanoparticles, titanium dioxide, zirconium dioxide,

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The authors have no competing interests.

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