Account

Table 2 Number of gas molecules entering the channel of edge-functionalized GM and corresponding CH₄ selectivity

From: Insights into the H₂/CH₄ Separation Through Two-Dimensional Graphene Channels: Influence of Edge Functionalization

Widths (nm)	Parameters	GM	GM–H	GM–F	GM–OH	GM–NH₂	GM–COOH
0.6	H₂	61	75	89	81	47	0
	CH₄	0	0	0	0	0	0
0.64	H₂	74	79	85	87	69	0
	CH₄	86	90	105	77	0	0
	S(CH₄/H₂)	1.20	1.14	1.23	0.88	0	0
0.728	H₂	77	85	82	82	81	11
	CH₄	145	145	145	142	8	0
	S(CH₄/H₂)	1.88	1.71	1.76	1.73	0.10	0
1.366	H₂	86	88	91	90	92	85
	CH₄	110	112	109	109	111	107
	S(CH₄/H₂)	1.28	1.27	1.20	1.21	1.21	1.26

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