Effect of Degussa P25 content on the deposition of TiO2 coating on ceramic substrate

Citation

Musa, Muharniza Azinita and Juoi, Jariah and Moriga, Toshihiro and Johari, Nur Dalilah and Mohd Rosli, Zulkifli (2018) Effect of Degussa P25 content on the deposition of TiO2 coating on ceramic substrate. Materials Science, 12 (3). pp. 111-124. ISSN 1985-3157

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Abstract

TiO 2 coatings were deposited on unglazed ceramic tiles to study the property of its antimicrobial activity. Here, the effect of TiO 2 nanoparticles content (Degussa P25) on the TiO 2 coatings’ characteristics was investigated. TiO 2 sol containing 25, 50, and 100 g/L Degussa P25 were deposited few times on ceramic tiles via sol-gel dip coating method and heat treated at 500°C. The coatings were analyzed using SEM and the phases were characterized using GAXRD. The results show that Degussa P25 content significantly influences the TiO 2 coatings morphology and thickness. Increasing the Degussa P25 content led to a thicker and denser coating with different Degussa P25 content yielded different thickness at specific dipping time. 50 g/L of Degussa P25 was discovered as the maximum amount to be used for achieving good adherence coating on the ceramic tiles. Five dipping of TiO 2 sol containing 50 g/L Degussa P25 was found appropriate to generate coating of continuous layer with average thickness of ~29 µm. The Degussa P25 content, however, shows insignificant effect on coating crystallinity.

Item Type: Article
Uncontrolled Keywords: Antimicrobial,Ceramic Tile;TiO2Coating;; Dip Coating;Sol-Gel
Subjects: T Technology > TP Chemical technology > TP1080-1185 Polymers and polymer manufacture
Divisions: Faculty of Engineering and Technology (FET)
Depositing User: Ms Suzilawati Abu Samah
Date Deposited: 13 Mar 2021 19:44
Last Modified: 13 Mar 2021 19:44
URII: http://shdl.mmu.edu.my/id/eprint/7473

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