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. 2020 Jan 3;25(1):198. doi: 10.3390/molecules25010198

Figure 2.

Figure 2

UV-Visible absorption spectra of TiO2 films impregnated with M2 (0.3 mM in THF) and increasing co-adsorbent concentration (0 mM: blue line; 0.3 mM: red line; 1.5 mM: green line, and 3 mM: purple line in THF).