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. 2016 Aug 30;6:32355. doi: 10.1038/srep32355

Figure 8.

Figure 8

High resolution XPS spectra of Ti2p and O1s in (a) pure/untreated TiO2 film, (b) Co doped/untreated TiO2 film; plasma treatment time 0 second, (c) Co doped/treated TiO2 film; plasma treatment time 60 seconds, (d) O1s for pure/untreated TiO2 film, (e) O1s for Co doped/untreated TiO2 film; plasma treatment time 0 second, and (f) O1s for Co doped/treated TiO2 film; plasma treatment time 60 seconds.