Table 1. Properties and Routes Used for the Synthesis of CdO NPs.

	chemical synthesis	green synthesis
	route 1	route 1	route 2
source	Cd(NO3)2·4H2O	Cd(NO3)2·4H2O	Cd(NO3)2·4H2O
reducing agents	NaOH	aqueous leaves extract	aqueous leaves extract
plant source		C. sativa	A. scoparia
molarity (M)	0.5	0.5	0.5
temperature (°C)	60	70	70
color	brown	brown	brown
nature	crystalline	crystalline	crystalline cum amorphous
morphology	irregular disk	irregular disk
size by XRD (nm)	42.2	84
size by SEM (nm)	10–30	50