Heterogeneous Deposition of Cu2O Nanoparticles on TiO2 Nanotube Array Films in Organic Solvent
Figure 5
(a) UV-vis diffuse reflectance spectrum of TiO2 NAFs before and after treatment in the mixture of EG and DMF containing 0.01 or 0.05 g CuSO4 at 120°C for 16 h; (b) plot of against photon energy () for these three TiO2 NAFs.