Table 1.

Comparison of the carrier mobility of graphene according to treatment methods of PMMA.

Treatment methods	Mobility (cm2V−1s−1)		Reference
	Hole	electron
Automatic transfer	1500		15
AFM contact-mode	870	1200	42
Chloroform treatment	3100	2700	25
UV treatment	4700 (MAX)		34
Acetic acid treatment	2850	1850	This work
E-beam treatment	6770	7350	This work
(our maximum result)	(16980)	(16590)