Figure 8

(a) The band gap of Al:ZnO obtained from the plot of (αhν)1/2 as a function of hν. (b,c) The total and partial electron density of states (DOS) of the VO2 film. (d) The energy band diagram of the n-n junction for the S-Z-V-Z.
(a) The band gap of Al:ZnO obtained from the plot of (αhν)1/2 as a function of hν. (b,c) The total and partial electron density of states (DOS) of the VO2 film. (d) The energy band diagram of the n-n junction for the S-Z-V-Z.