Abstract

TiO2/RGO composite was synthesized via a low-temperature solvothermal method using graphene oxide (GO) as a precursor of graphene and TiCl4 as precursor of TiO2. A large number of TiO2 nanoflakes composed of nanoparticles are perpendicular to graphene sheet, and cross-linked by facade to self-assemble honeycomb-like spatial configuration. These porousare benefit for the absorption of organic molecules, and composite configuration holds the excellent carrier conductivity of graphene facilitating the rapid separation of photogenerated electron-hole pair. This composite shows high absorption of natural light in almost all bands, displaying better photocatalytic degradation activity for antibiotics OTC under man-made natural light than neat TiO2.

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