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

Figure 9

UV–visible-NIR spectra (a, c) and the corresponding Tauc plots (b, d) of PbS nanoparticles prepared in OLA at 190°C (A and D), 230°C (B and E), and 270°C (C and F) using complex (1) (a, b) and complex (2) (c, d).

(a)

(b)

(c)

(d)