Table 1. EDS atomic percentages.

	Element	Graphite	GO	GO/IL	GO/IL/ZnxCly
Mass%	C	73.82	64.65	62.68	58.83
	N	0.00	2.89	5.77	3.50
	O	26.15	32.37	26.59	22.12
	Si	0.01	0.04	2.71	4.63
	Cl	0.01	0.06	2.25	8.46
	Zn	0.00	0.00	0.00	2.45
	Total	100.00	100.00	100.00	100.00
Atom%	C	78.98	70.68	70.02	70.26
	N	0.00	2.71	5.53	3.58
	O	21.01	26.57	22.30	19.83
	Si	0.01	0.02	1.30	2.37
	Cl	0.00	0.02	0.85	3.42
	Zn	0.00	0.00	0.00	0.54
	Total	100.00	100.00	100.00	100.00