Overview of the experimentally obtained values for band gaps and effective masses for the various GNRs.

Precursor	Ribbon type	Band gap	Effective mass
1, 3	3-AGNR	3.05 eV,80 3.23 eV112
4, 5	5-AGNR	2.8 eV,a 67 1.3 eV,68 0.85 eV,174 0.1 eV172
3	6-AGNR	1.88 eV,80 1.69 eV112	0.15 me80
7, 8	7-AGNR	2.3–2.8 eV77,78,109,114,175,176,178,180,182,187,188	0.32, 0.35 mea 180
			0.41, 0.40 me182
			0.4 me195
3 + 4	8-AGNR	1.0 eV197	—
11	9-AGNR	1.35–1.5 eV57,112,114	0.09 me57
			0.12 me, 0.11 me57
			0.11 me192
3 + 8	10-AGNR	2.0 eV197
3	12-AGNR	1.13 eV112
14, 16	13-AGNR	1.34 eV,56 1.4 eV198	0.13 me, 0.14 me56
8	14-AGNR	0.2 eV114
20	15-AGNR	1.03 eV112
18	17-AGNR	0.19 eV56	0.06 me56
11	18-AGNR	0.9 eV114
8	21-AGNR	0.7 eV114
22	Doped 7-AGNR	2.4 eV219
24	Doped 7-AGNR	2.3 eV88
26	Doped 7-AGNR	2.3 eV214
30	CGNR	2.4–2.53 92,199,200
32	CGNR	2.1 eV89
34	Doped CGNR	2.71 eV39	—
36	Doped CGNR	1.9 eV230
38	Doped CGNR	2.2 eV (X = NH),200 2.3 eV (X = O),200 2.2 eV (X = S),200 2.33 eV (X = CO),92 2.4 eV (X = C)117
40	Doped CGNR	1.28–1.78 eV231
44	CGNR	2.5 eV202
46	CGNR	2.2 eV201
48	Doped CGNR	1.5 eV203
50	Doped CGNR	0.9 eV203
8, 55	chGNR	0.67 eV,209 1.8 eVa 73	0.34 me,209 0.36 me209
57	chGNR	1.6 eV204
65	ZGNR	1.5 eV58
69	Doped porous GNR	2.7 eV210
71	Topological GNR	0.65 eV42
73	Topological GNR	0.74 eV40
75	Topological GNR	0 eV41
77	Other	0.12 eV213	0.02 me213
79	Other	1.0 eV116
83	Other	1.7 eV232 (ribbon 84)
		1.4 eV232 (ribbon 85)

^aSee discussion in article text.