Abstract
Herein, the titanium dioxide (TiO2), gold nanoparticles (AuNPs), and polystyrene (PS) composite (TiO2/Au/PS) with excellent fluorescent and photoelectric properties was fabricated. TiO2 nanorods array was first synthesized on FTO, followed by deposition of AuNPs and coated with PS successively. The TiO2/Au/PS composites shows much stronger fluorescent emission than that of their single component counterparts and any pairwise combination. Further, TiO2/Au/PS exhibit much stronger photogenerated current compared to TiO2/PS. It can be attributed to the synergistic enhancement effect due to the carrier transfer among them. Those observations demonstrated that TiO2/Au/PS composites is a promising photoelectric devices material.
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