Research Article

Influence of the DEA Concentration on Structural and Optical Properties of Nanodot PbS Thin Films Growth by Chemical Solution Deposition: Unveiling Dual Optical Absorption Edges

Figure 2

Atomic force microscopy (AFM) images of the 2D and 3D structures (5 × 5 μm2) and the size distribution of PbS-QDs thin films grown on glass substrates at varying concentrations of DEA, including 0.4 M (S1), 1.2 M (S2), and 2.0 M (S3).