The Phase and Morphology of Cu₂ZnSnSe₄ Nanopowders by Hydrothermal Method

Figure 4

FESEM images of CZTSe powders synthesized under different conditions. (a) and (b): 180°C for 45 h; (c) and (d): 200°C for 45 h; (e) and (f): 200°C for 90 h.

(a)

(b)

(c)

(d)

(e)

(f)