Abstract
The influence of TiO 2 morphology and doped Pt on hydrogen production has been investigated. TiO 2 nanotubes (TiO 2 NT) were obtained by using combination of sonication and hydrothermal methods. Pt was doped on the surface of TiO 2 NT by using photo-deposition method. TiO 2 Degussa P25 nanoparticle was employed as comparison. Sonication was performed using ultrasonic cleaner for 60min then followed by hydrothermal treatment in a teflon lined stainless steel autoclave for 12 hours at 13 °C. TiO 2 nanotubes were characterized by means of X-Ray Powder Diffractometer (XRD), Scanning Electron Microscope (SEM), UV-Vis Diffuse Reflectane Spectroscopy (UV-Vis DRS) and Brunauer-Emmet-Teller (BET) technique. A pyrex reactor was employed to conduct hydrogen production while methanol was used as sacrificial agent. The result shows by using Pt/TiO 2 NT increased hydrogen production about 18 times than that of TiO 2 NT without Pt doped. Keywords: TiO 2 nanotubes, Platina, Hydrogen, Photocatalytic.
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