Anodic Electrophoretic Deposition of TiO2 Nanoparticles Synthesized Using Sol Gel Method

Khatijah Aisha Yaacob; David Jason Riley

doi:10.4028/www.scientific.net/AMR.832.633

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 832Anodic Electrophoretic Deposition of TiO2...

Anodic Electrophoretic Deposition of TiO₂ Nanoparticles Synthesized Using Sol Gel Method

Abstract:

Many researches on electrophoretic deposition of TiO₂nanoparticles (NPs) use commercial TiO₂ nanoparticles from Degussa. TiO₂ from Degussa is not use in this research because in order to make the TiO₂ nanoparticle electronically charged and move under an applied constant voltage, a small amount of iodine and acetylacetone needs to be added to the suspension. It is suggested that the H⁺ ions generated by the reaction is absorbed on the suspended particles making them positively charged. For anodic EPD, negatively charged nanoparticles are required. In this research TiO₂ nanoparticles were prepared by adding 1 ml of titanium isopropoxide dilute with 1 ml ethanol to 10 ml DI water and stirrer under 0°C for 4 hr. As prepared TiO₂ nanoparticle were centrifuged at 5500 rpm for 10 min to isolate the particles from the solution. Then the TiO₂nanoparticles were resuspended in ethanol or water. TiO₂ nanoparticle with particle diameter of 4.66 nm and anatase phase were produced. Important electrophoretic deposition process parameters, such as apparent pH of the TiO₂ NPs, applied voltage, deposition time and solid loading, were studied during electrophoretic deposition of TiO₂ nanoparticles.

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Periodical:

Advanced Materials Research (Volume 832)

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633-638

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.832.633

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Online since:

November 2013

Authors:

Khatijah Aisha Yaacob, David Jason Riley

Keywords:

Electrophoretic Deposition (EPD), Sol-Gel Method, TiO₂ Nanoparticles

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