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. 2020 Aug 6;20(16):4397. doi: 10.3390/s20164397

Figure 5.

Figure 5

High resolution XPS spectra of Au 4f7/2 and 4f5/2 core levels in obtained nanostructures grown at different time: (a)—1 s, (b)—5 s, (c)—15 s, (d)—30 s, (e)—60 s, (f)—180 s, (g)—1800 s, (h)—legend of the graphs.