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. 2021 May 11;11(5):149. doi: 10.3390/bios11050149

Figure 3.

Figure 3

XRD patterns of (a) deposited TiO2 NPs on FTO electrode (Δ: anatase phase, ▲: rutile phase, ●: FTO) and (b) after deposition and after immobilization (in order from top to bottom, after 4 min of deposition, after 16 min of deposition, and after heat treatment (450 °C)).