Mechanical Characterization of Reduced Graphene Oxide Using AFM

Table 3

The statistical analysis results for spectroscopic investigation of various samples. The values displayed are the averages of the thirty data points taken for each sample.

Sample	Stiffness (N/m)	Hardness (GPa)	(GPa)	(N)
0 Reduction Cycle	16.00	3.09	0.81	12.00
1 Reduction Cycle	16.48	3.70	1.18	9.77
2 Reduction Cycles	24.31	4.80	1.50	7.35
3 Reduction Cycles	23.64	5.02	1.61	11.50
4 Reduction Cycles	20.81	5.38	1.62	11.10
5 Reduction Cycles	22.39	5.52	1.61	10.40
Commercial Graphene Oxide	22.80	5.83	1.84	14.10