Layer-by-Layer Self-Assembled Metal-Ion- (Ag-, Co-, Ni-, and Pd-) Doped TiO_𝟐 Nanoparticles: Synthesis, Characterisation, and Visible Light Degradation of Rhodamine B

Figure 4

2D and 3D AFM images of (PSS/m-TiO₂)_n, where n = 1 (a), 3 (b), 5 (c), and 10 (d) immobilised on glass slides by LbL self-assembly technique.

(a)

(b)

(c)

(d)