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

Table 5

Methylene blue dye degradation using metal sulfide photocatalyst.

Metal sulfide catalysts	Ligth source	Irradiation time	Degradation rate (%)	Reference
PbS	70 W, mercury lamp	3 hr	72.6, 75.9, and 47.4	[32]
ZnS	8 W, ultraviolet lamp	6 hr	27	[39]
PbS	3 kW/m^2 direct light	1 hr	50, 56, and 60	[38]
Cu1.8S	70 W, mercury	3 hr	42.52	[40]
FeS2	400 W, halogen	3 hr 30 min	13.2	[41]
Ag2S	70 W, mercury	3 hr	48.39	[40]
PbS	15 W, UV–vis radiation	3 hr	25	[42]
Ag–PbS	15 W, UV–vis radiation	3 hr	68	[42]
CuS	125 W, mercury	1 hr	33	[43]
Cu9S5	60 W/m^2, UV light	1 hr 30 min	80	[22]
CdS	High-pressure sodium lamp	3 hr	54–76 11–47 40–61	[44] [44]
PbS	60 W/m^2, UV light	1 hr	60	This work