Abstract
Highly ordered TiO2 nanotube arrays were prepared by two-step anodic oxidation, and the graphene was assembled on them via the solvothermal method. The photoelectric performance was investigated, the results indicated the TiO2/rGO nanocomposites with higher photocurrent response compared with pure TiO2, and the cyclic voltammetry of the TiO2/rGO at different scan rates of 10 to 200 mV/S showed a good electrochemical capacitance. The crystal structure, morphology, and chemical composition of the samples were also characterized by XRD, SEM, and XPS.
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