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. 2016 Jul 28;6:30543. doi: 10.1038/srep30543

Figure 7.

Figure 7

(a) Photocurrent density versus potential of the MFe2O4/TiO2 NRAs, (b) Photocurrent density versus time measurements of MFe2O4/TiO2 NRAs under 0 V versus Ag/AgCl bias, (c) Photocatalytic reduction of Cr(VI) by MFe2O4/TiO2 NRAs under visible light, (d) Nyquist plots of the EIS spectra of MFe2O4/TiO2 NRAs.