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. 2019 Mar 7;9(3):391. doi: 10.3390/nano9030391

Figure 4.

Figure 4

(a) Controlled experiment using different radical scavengers; (b) ESR spectra collected using 5,5-dimethyl-1-pyrroline-N-oxide ((DMPO-·O2)) as the spin trap. (c) A plausible mechanism for the photo-oxidation of benzyl alcohol over Au2Pt2/N–TiO2 under visible-light irradiation.