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Fig. 6 | Nanoscale Research Letters

Fig. 6

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

Fig. 6

(Left panel) HRPES S 2p core-level spectra obtained after the catalytic oxidations of 180 L 2-ATP (the saturation exposure in our system) on anatase TiO2 and 5 mol% TM-TiO2 (a TiO2, b Cr-TiO2, c Mn-TiO2, d Fe-TiO2, e Co-TiO2, and f Ni-TiO2). (Right panel) g The plot for intensity ratio between S3 (− SO3H) and S1 (− SH) of anatase TiO2 and the five TM-TiO2, indicating their catalytic activities in the oxidation of 2-ATP, for 180-l exposures under 365 nm UV light

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