Figure 2
SEM images of CZTS NCs films. (a) Top view and (b) cross section of the wurtzite film. (c) Top view and (d) cross section of the kesterite film with sintering at 500°C for 30 min.
Figure 2 | Nanoscale Research Letters
SEM images of CZTS NCs films. (a) Top view and (b) cross section of the wurtzite film. (c) Top view and (d) cross section of the kesterite film with sintering at 500°C for 30 min.