Using electrophoresis for TiO2 coating and photoexcited electrons for metal-nanoparticle deposition, a facile method for the development of aligned coaxial nanowires of carbon nanotubes sheathed with TiO2 (see figure), and well-defined TiO2 nanomembranes decorated with and without metal nanoparticles, is developed. The TiO2-based nanostructures show fast photocurrent responses and possess unique photoinduced electron-transfer properties.
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Yang et al. (2007) studied this question.
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