Table 1.

Bonding composition percentage of X-ray photoelectron spectroscopy (XPS) survey.

Samples	Carbon Bonding
	C–C	C–O/C–S	C=O	O=C–O
GO	70.7	14.1	5.1	10.1
GO–SH	70.1	12.2	4.6	13.2
GO-Ag 0.2 M	72.5	11.2	4.6	11.7