Abstract
Nanoscale hybridization of graphene is a popular way to create highly conductive composite materials and surfaces with enhanced light absorption. In this study, TiO2/graphene nano-hybrid is prepared by direct growth of TiO2 nanoparticles on graphene oxide sheets. Graphene oxide was produced by an improved Hummer's method. In this study, titanium butoxide, an inorganic titanium source, is added into a water/ethanol mixture with graphene oxide to produce the TiO2/graphene-oxide nano-hybrid. Microwave irradiation was used to reduce graphene oxide in graphene and, therefore, the produced TiO2/graphene nano-hybrid. The synthesized hybrid shows almost two times higher photocatalytic performance compared to P25, i.e. commercial titania, in degradation of methylene blue. SEM, XRD, FTIR, and UV-vis spectroscopy were used to characterize the synthesized material. FTIR detection in Ti-O-C bond con rms the formation of nanohybrid graphene with titania nanoparticles.
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