[Retracted] Properties of PbS: Ni²⁺ Nanocrystals in Thin Films by Chemical Bath Deposition

Figure 3

Three-dimensional representation of PbS films using AFM. (a) Undoped-PbSNi0. (b) Doped-PbSNi6. (c) Doped-PbSNi12.

(a)

(b)

(c)