Table 1.

Synthesis of Silver Nanoparticles by Physical Methods

Method	Silver precursor	Stabilizer/Surfactant/Dispersant	Operating conditions	Size (nm)	Shape	Reference
Ball milling method	Silver powder	-	Dry, under protective Ar gas atmosphere, below -160 ± 10°C	4-8	Spherical	85
	Silver wire	-	Multi-walled carbon nanotubes-aqueous nanofluids, 15-40°C, DC power	About 100	Spherical	86
Electrical arc-discharge method	Silver wire	-	25°C, current, voltage, deionized water	-	-	66
	Silver wire	-	DC arc-discharge system, 70°C, stirring	72	Spherical	63
	Silver wire	-	DC arc-discharge system, room temp.	19	Cubic	87
	Silver wire	-	DC arc-discharge system, deionized water, stirring	20-30	Spherical	61
Laser ablation method	Silver plate	-	Laser pulses, organic solvent	4-10	Spherical	88
	Silver plate	PVP	Laser pulse, stirring	20-50	Spherical	65
	Silver plate	-	Laser pulse, solution of chlorobenzene, stirring	25-40	Spherical	89
Physical vapour condensation	Silver wire	Fructose	High voltage power, rapid cooling	19.2±3.8 Ång	Spherical	21