. Author manuscript; available in PMC: 2014 Nov 1.

Published in final edited form as: Carbon N Y. 2013 Jul 4;63:10.1016/j.carbon.2013.06.093. doi: 10.1016/j.carbon.2013.06.093

Table 1.

GO, GOFT1 and GOFT2 percent composition by C1s XPS

	C-sp²	C-sp³	C-OH	C=O	C-N	COOH	O-O	π–π*
GO	16.9	2.8	58	15	-	3.7	-	3.6
GOFT1	2.7	12	43	24.6	9.5	-	4.6	3.6
GOFT2	9.2	11.9	32.5	30.5	9.1	-	4.3	2.5