Growth of CuS Nanostructures by Hydrothermal Route and Its Optical Properties

Figure 6

Optical band gap spectrum of CuS nanostructures synthesized at 150°C (a) without CTAB for 5 hrs, (b) with CTAB for 5 hrs, and (c) with CTAB for 24 hrs.

(a)

(b)

(c)