Figure 7From: Simple fabrication of N-doped mesoporous TiO2 nanorods with the enhanced visible light photocatalytic activityDegradation curves of MB and plot of ln( C 0 / C ). (a) The degradation curves of MB under visible light irradiation. (b) The plot of ln(C0/C) with irradiation time of visible light for different samples.Back to article page