NANO TUBE TITANIUM DIOXIDE / TITANIUM ELECTRODE FABRICATION WITH NITROGEN AND SILVER METAL DOPED ANODIZING METHOD: PERFORMANCE TEST OF ORGANIC COMPOUND RHODAMINE B DEGRADATION
Journal Title: International Journal of Pharmacy and Pharmaceutical Sciences - Year 2015, Vol 7, Issue 6
Abstract
Objective: The objective of this study was to prepare the titanium dioxide (TiO2) by using Anodizing method that was subsequently coated with nitrogen (N) and silver metal (Ag) in the TiO2/Ti matrix.Methods: The preparation of N-TiO2/Ti using the sol-gel method was carried out by adding 3 ml of 5M NH4Cl as the source of nitrogen with a dip-coating technique. Ag@TiO2/Ti was prepared using an electrodeposition method with 0.1M AgNO3 solution in 0.5% EDTA as the source of Ag metal dopants for one minute.Results: Photocurrent response test using the Linear Sweep Voltametry (LSV) showed that the TiO2/Ti electrode becomes active when irradiated UV light, while the addition of dopants makes nonmetal (N-TiO2/Ti) and metal (Ag@TiO2/Ti) active in visible or UV light irradiation. The analysis of Rhodamine B organic compound degradation by using UV-Vis spectrophotometer showed that the TiO2/Ti electrode was active in UV light irradiation at degradation rate 0.09 min-1, while N-TiO2/Ti and Ag@TiO2/Ti were active in visible light irradiation at degradation rate 0.0372 min-1 and 0.0732 min-1, respectively.Conclusion: The photoelectrocatalytic activity test to degrade organic compound of Rhodamine B showed that N-TiO2/Ti and Ag@TiO2/Ti electrode were able to be active in visible light.
Authors and Affiliations
Maulidiyah . , Muhammad Nurdin, Dwiprayogo Wibowo, Asrul Sani
Keywords
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