The TiO2nanotubes (TNT) are synthesized and decorated with Au nanoparticles, forming a TNT-Au composite. This TNT-Au composite is incorporated into a TiO2nanocrystalline film to form a multifunctional composite photoanode and the dye-sensitized solar cell (DSSC). The influences of different amounts of TNT-Au on the performance of the multifunctional composite photoanodes and DSSCs are investigated. Studies indicate that, the introduction of TNT-Au improves remarkably the transport rate of electrons, enhances the ability of photoanode to scatter and capture incident light, reduces the charge tr...
