Figure 3

Band structures with N-doping at P1 for (a) 6-ZGNR (b) 10-ZGNR; (c) 14-ZGNR; (d) 18-ZGNR and with N-doping at P 3 for (e) 6-ZGNR (f) 10-ZGNR; (g) 14-ZGNR; (h) 18-ZGNR.

Band structures with N-doping at P1 for (a) 6-ZGNR (b) 10-ZGNR; (c) 14-ZGNR; (d) 18-ZGNR and with N-doping at P 3 for (e) 6-ZGNR (f) 10-ZGNR; (g) 14-ZGNR; (h) 18-ZGNR.