Table 1.

Surface composition of the GO, rGO–SH-1 (SH-1), and rGO–SH-2 (SH-2) samples according to the core level spectra analysis.

Name	GO at.%	SH-1 at.%	SH-2 at.%
C (sp2)	7.9	43.3	39.6
C (sp3)	34.7	4.5	8.7
C-O/C-S/C-N	24.2	18.0	19.0
O=C-OH	6.0	1.3	1.8
C=O	0.0	57.7	6.6
O-C	22.3	8.6	11.4
O=C	3.5	9.5	5.0
S-O	0.2	0.5	0.5
H-S-C	0.0	3.4	3.7
N-Aniline	0.0	2.5	2.5
N-Aniline+	0.0	0.7	0.6
Si-O	1.2	2.1	0.8