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. 2019 Jul 12;9(38):21724–21732. doi: 10.1039/c9ra03437d

XPS peak analysis of SD- and S-ACs.

Sample Content (at%) N/C ratio (%) Relative N1s peak areaa (at%)
C O N N-6 N-5 N-Q N-X
S-AC 90.6 7.7 1.7 1.82 0.41 0.72 0.40 0.17
SD1.5 86.7 9.7 3.6 4.15 0.87 1.98 0.58 0.17
SD1.75 87.6 8.2 4.2 4.79 1.03 2.34 0.72 0.11
SD2 88.4 7.0 4.6 5.20 1.10 2.58 0.87 0.05
a

Pyridine N (N-6), pyrrolic N (N-5), quaternary N (N-Q) and oxidized pyridine N (N-X).