<![CDATA[The titania synthesis of fluorine doping (F-TiO2) was carried out through the sol-gel method. Titanium isopropoxide (TTIP), tween-80, isopropanol and ammonium fluoride (NH4F) as sources of doping fluorine were used as the main ingredients. This research aimed to study the effect of fluorine doping injection rate using injection pumps on F-TiO2 photocatalyst activity. Four fluorine doping samples were prepared with the respective penetration rate of 0.4 ml / 30 minutes; 0.4 ml / 60 minutes; 0.4 ml / 90 minutes and 0.4 ml / 120 minutes. The titania powder was calcined at 450 oC for 5 hours. The sintered sample was tested for photodegradation of remazol yellow under UV light. Physical characteristics were analyzed using transmission electron microscopy (TEM) and Uv-Vis spectrophotometer. The results of the UV-Vis spectrophotometer showed that the particle size of samples with an injection rate of 0.4 ml / 90 minutes showed higher photocatalyst activity with particle sizes of (14 nm ± 4 nm).]]>
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