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the near-field enhancement of localized surface plasmon resonance (SPR) in the metal nanoparticles can improve the photocatalytic activity of the semiconductor connected to it. The SPR effect of the Au nanoparticles and the coupling effect of the neighboring Au nanoparticles and the gold film improves the visible-light absorption of TiO2. The simulation result is consistent with the measured absorption...
Nanoporous tungsten oxide (WO3) with pore size of about 80 nm has been fabricated by anodization in a 1 M Na2SO4 solution with 0.5 wt% NaF (pH 4.0) at the anodization voltage of 40 V. The photoelectrochemical properties and photocatalytic activity of the nanoporous WO3 film are investigated under visible light. The results show that the WO3 nanoporous structure has better photoactivity than the plane...
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