Abstract
Photocatalytic and photoelectrocatalytic degradation of Methyl Violet dye using Graphite/PbTiO 3 composites has been conducted. The purposes of this research were to synthesis the Graphite/PbTiO 3 composite electrode and determine its effectiveness on Methyl Violet degradation. Synthesis of Graphite/PbTiO 3 composite was successfully performed via sol-gel method by mixing graphite powder, titanium tetra isopropoxide precursor solution (TTIP) and Pb(NO 3 ) 2 . The Graphite/PbTiO 3 composites were characterized using X-Ray Diffraction (XRD), Fourier Transform-Infra Red (FT-IR) and Scanning Electron Microscopy (SEM). The XRD diffractogram and IR spectrum of Graphite/PbTiO 3 composite revealed all characteristic peak of graphite and PbTiO 3 . Photocatalytic degradation process showed that Graphite/PbTiO 3 composite decreased concentrations of Methyl Violet up to 92.20%. While photoelectrocatalytic degradation processed for 30 minutes at neutral pH and 10 V voltage degraded the Methyl Violet until 94%.
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