Affectability of Low Frequency Electrophoretically Deposited Patterns of WO3 and TiO2 Nanoparicles in the Presence of Modifier

Authors

1 Department of Ceramic, Materials and Energy Research Center, Karaj, Iran

2 Department of Semiconductors, Materials and Energy Research Center, Karaj, Iran

Abstract

In this work, the result of additives on electrophoretically deposited patterns of ceramic nanoparticles with totally different chemical composition in the case of using AC electrical field are studied. For this purpose, by the assistance of coplanar electrodes with an interelectrode gap size of 150 µm, heterogeneous AC electrical field was applied to the suspensions of TiO2-acetone and WO3-acetone in the presence and absence of Polyethylenimine (PEI) as an additive at the frequency of 1Hz. The results verified that whereas WO3 nanoparticles tend to fill the gap once additive was not used, they show no tendency to enter it within the presence of PEI. However, TiO2 nanoparticles that leave the gap once additive was not applied, fill it in the presence of PEI.

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Open Access

This is an open access article under the CC BY license (https://creativecommons.org/licenses/by/4.0/).

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