铜箔表面形貌对CVD法生长石墨烯质量的影响

宋瑞利, 刘平, 张柯, 刘新宽, 陈小红

Effect of Copper Foil Surface Morphology on the Quality of Graphene Grown by CVD

SONG Ruili, LIU Ping, ZHANG Ke, LIU Xinkuan, CHEN Xiaohong

表1 不同处理条件下的铜箔表面生长的石墨烯的拉曼数据

Table 1 Raman data of graphene on copper foils treated by different conditions

Curve number of Fig.4	Treatment condition	I_D/I_G	I_2D/I_G	Full width at half maximum (cm^-1)
1	25%HCl, 10 min	0.67	0.93	57
2	2 mol/L FeCl₃, 15 s	0.57	1.14	40
3	2 mol/L FeCl₃, 30 s	0.51	1.71	39
4	2 mol/L FeCl₃, 45 s	1.14	0.86	47
5	Polished 30 s	0.6	2.6	35.5
6	Polished 45 s	0.42	1.38	47
7	Polished 60 s	0.4	1.63	44