Research Article

Synthesis and Photocatalytic Activity of High-Quality Lead(II) Sulfide Nanoparticles from Lead(II) Thiosemicarbazone Complexes as Single Source Precursors

Figure 3

UV–visible spectra of (1a) 2-thiophenecarboxaldehyde thiosemicarbazone, (2a) 2-acetylthiophene thiosemicarbazone, and (1b, 2b) its corresponding lead(II) complexes.
(a)
(b)