Skip to main content
. 2019 Nov 25;9(12):1681. doi: 10.3390/nano9121681

Figure 3.

Figure 3

High-resolution XPS spectra of (a) LF-Cu, (b) LCF–Cu 20–40, (c) LCF–Cu 120–40, and (d) LCF–Cu 120–300.