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

Table 2

Infrared absorption bands for the ligands and the lead(II) complexes (cm⁻¹).

Compound	νNH2	νC ═ N	νC ═ S	ν0H (H2O)	νN─N	νC─S	νN─H	νPb─N
L1H	3,410–3,232	1,582	835	—	1,044	—	3,133	—
L2H	3,410–3,260	1,594	830	—	1,040	—	3,161	—
PbL1 (1)	3,455–3,338	1,562	—	—	1,076	882	—	494
PbL2 (2)	3,423–3,306	1,594	—	3,304	1,034	837	—	514