Fig. 4

Quantum confinement effect on electronic density of states. Electronic density of states for a a 3D semiconductor, b a 2D quantum well, c a 1D nanowire or nanotube and d a 0D quantum dot. (Adapted from ref. 56)

Quantum confinement effect on electronic density of states. Electronic density of states for a a 3D semiconductor, b a 2D quantum well, c a 1D nanowire or nanotube and d a 0D quantum dot. (Adapted from ref. 56)