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Fig. 6 | Nanoscale Research Letters

Fig. 6

From: A Facile Method for Preparation of Cu2O-TiO2 NTA Heterojunction with Visible-Photocatalytic Activity

Fig. 6

a UV-vis spectra of the Cu2O-TiO2 NTAs and absorption get expanded to visible light range and raised with the loading amount of Cu2O. b Visible-light photocatalytic degradation kinetics of MO treated by the heterojunction films with different Cu2O content. When decoration magnitude of Cu2O on TiO2 NTAs increased, the MO decomposition efficiency under visible light irradiation raised. Sample S0 referred to pure TiO2 film, and sample S1–S5 were the samples immersed in Cu(Ac)2 solution with the concentrations of 0.05, 0.1, 0.2, 0.3, and 4 mol/L, respectively

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