Table 1. The Sheet resistance and conductivity of GO, SFG and SFG-A.

	Resistance	Conductivity
Sample	(Ω□−1)	(S cm−1)
GO	>500 MΩ□−1	-
SFG	161.1
	±0.088 (s.d.)	6.7
mSFG-A [a]	91.2
	± 0.021 (s.d.)	11.8

[a] SFG-A: Calcined SFG film at 400°C for 4 h under argon.