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. 2015 Jun 12;5:10461. doi: 10.1038/srep10461

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Photoelectrochemical properties of the pure and Ag QDs modified H-TiO₂-NTAs and schematic diagram of SPR charge carrier transfer mechanisms. (a) Photocurrent responses in the light on-off process (0.7 V vs. SCE): under illumination of visible light with wavelength >420 nm with 20 s light on/off cycles. (b) SPR charge carrier transfer under visible light irradiation at Ag/H-TiO₂ interface and the PEC process for H₂ evolution. (c) DRS of H-TiO₂-NTAs, Ag/TiO₂ and Ag/H-TiO₂-NTAs with different deposition time: 10 s, 20 s, 50 s, 100 s.