Physical Adsorption and Photocatalytic Activity of Titanium Dioxide Nanotube and Graphene Oxide Composite

Abstract

This study synthesizes graphene oxide (GO) by modified low temperature Hummer’s method and in-situ hydrothermally grown TiO­₂ nanotube (TNT) on GO sheet. Transmission electron microscopic (TEM) images show the homogeneous formation of TNT with the mean diameter of ~8 nm and the co-existence of TNT and GO in the composite sample. X-ray diffraction pattern of GO indicates the successful fabrication. The UV-vis measurement with methylene blue indicates the improvement of physical adsorption and photocatalytic activity of the composite samples.

Keywords

TNTs, GO, physical adsorption, photocatalyst

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