Research Article

New Porphyrin/Fe-Loaded TiO2 Composites as Heterogeneous Photo-Fenton Catalysts for the Efficient Degradation of 4-Nitrophenol

Figure 5

Diffuse reflectance spectra of bare TiO2 and samples obtained by impregnation of bareTiO2 with Fe or CuPp-Fe-TiO2.
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