Abstract
In this research, the effect of PEG 2000 and Degussa P25 as additives on the characteristic of Ag-TiO2 coating was reported. The TiO2 coatings were produced via sol gel method using titanium (IV) isopropoxide (TTiP) as a precursor from solutions that contains additive and without additive. Seven layers of TiO2 coating were deposited on specially made unglazed ceramic tiles produced from waste glass. All coatings were deposited using dip coating technique and were sintered at 500 °C. The TiO2 coating was then immersed in an Ag nanoparticles solution before dried at 90 °C in an oven to form Ag-TiO2 coating. The coating phases and coating morphologies were analyzed using GAXRD and SEM analysis, respectively. Results show that Ag-TiO2 coating added with Degussa P25 additive exhibits a presence of more anatase and more homogenous microstructure which gives advantages for antimicrobial application as compared to others
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