Field Emission Properties of Carbon Nanotubes with Boron Doping and H₂O Adsorption

Figure 3

Side views of the charge density under different electric field: (a), (b) and (c), (d) refer to HOMO/LUMO of CNT+H₂O and BCNT+H₂O without electric field, respectively. (e), (f) and (g), (h) refer to HOMO/LUMO of CNT+H₂O and BCNT+H₂O under 𝐸=10 eV/nm, respectively.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)