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Nano Convergence
Fig. 4 | Nano Convergence

Fig. 4

From: Regulating the surface of anion-doped TiO2 nanorods by hydrogen annealing for superior photoelectrochemical water oxidation

Fig. 4

Bandgap analysis for the 350 °C air-annealed S, N-doped TiO2 under various H2 treatment conditions. a The results of IPCE measurement for S, N-doped TiO2 photoanode. The current was obtained under 1.23 V vs. RHE condition. b Kubelka–Munk plots for S, N doped TiO2 nanorod arrays under various H2 treatment conditions. The plots were calculated by the reflection for the wavelength, obtained from UV–vis measurement

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