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Fig. 5 | Nanoscale Research Letters

Fig. 5

From: Determining the Catalytic Activity of Transition Metal-Doped TiO2 Nanoparticles Using Surface Spectroscopic Analysis

Fig. 5

af CVs (at a scan rate of 50 mV/s) in PBS containing 0.01 M 2-ATP at a bare GCE (black lines) or GCEs modified (red lines) with 5 mol% a anatase TiO2, b Cr-TiO2, c Mn-TiO2, d Fe-TiO2, e Co-TiO2, and f Ni-TiO2. g A sluggish oxidation current observed at a bare GCE because of the intrinsically slow oxidation of 2-ATP. h Catalytic currents resulting from the electrochemical oxidation of 2-ATP for the various types of anatase TiO2 and the five TM-TiO2

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