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 1

Absorption spectra of PSS/m-TiO₂ showing increase in absorbance with increase in number of layers (0.4% wt%). Insert: number of PSS/m-TiO₂ versus absorbance.