Photocatalytic Degradation of Methylene Blue Using TiO_2/Carbon Nanoparticles Fabricated by Electrical Arc Discharge in Liquid Medium

摘要

Herein we modified TiO_2 anatase with carbon material using an electrical arc discharge technique in liquid medium to produce a nanoparticle of TiO_2/Carbon photocatalyst. The electrical arc discharge was performed using two graphite electrodes submerged in TiO_2 suspended in ethanol by passing electrical 20-40 V (10-50 A). X-ray Diffraction (XRD) peak profile analysis shows the successful modification confirmed from the presenting peaks which represent to crystalline TiO_2 and carbon element. The fabrication was then followed by the assessment of photocatalytic activity of fabricated nanoparticles in methylebe blue degradation under mercury lamp irradiation. After 60-minute irradiation, the photocatalytic activity of TiO_2/Carbon increased more than three times higher compared to the photocatalytic activity of pristine TiO_2.