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. 2022 Oct 17;7(43):38550–38560. doi: 10.1021/acsomega.2c03914

Table 4. XPS Results for the O 1s Region, Values Given in % of the Total Amount.

	binding energy (eV)
sample	531.1^a	532.3^a	533.3^a	534.2^a	O_total
AC	0.67	2.22	1.91	0.66	5.46
AC1	0.74	2.72	2.36	0.74	6.56
AC2	0.76	2.92	2.52	0.77	6.97
AC3	0.76	3.00	2.58	0.82	7.16
AC4	0.77	3.21	2.62	0.92	7.52

^a

Oxygen atoms of the relevant surface functional groups as shown in Figure 5.