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. 2015 Oct 26;5:15288. doi: 10.1038/srep15288

Figure 4.

Figure 4

(a) ln(C/C0) versus time curves for 100 V TiO2/Al film under UV-visible and visible irradiation and with no film. (b) Photocatalytic rate for 100 V TiO2/Al film versus the SiO2 interlayer thickness under UV-visible irradiation. (c) Schematic of the photocurrent detection system. (d) The dependence of photocurrent density J-voltage V curves.