Synthesis and Characterization of Monometallic (Ag, Cu) and Bimetallic Ag-Cu Particles for Antibacterial and Antifungal Applications

Table 1

Preparation conditions and characteristics of monometallic colloids.

Sample label	Preparation conditions	Particles size (nm)	Zeta potential (mV)	Color of solution
NanoAg18	AgNO3, NaBH4, PVP, H2O	110.5	−2.02	Pale yellow
NanoAg30	AgNO3, NaBH4, PVP, H2O-isop.	229.8	−1.2	Pale yellow
NanoAg50	AgSO4, NaBH4, PVP, H2O	72	−2.24	Yellow
NanoAg62	AgSO4, NaBH4, PVP, H2O-isop.	151	−1.7	Yellow
NanoAg82	Ag3C6H5O7, NaBH4, PVP, H2O	58.2	−2.2	Yellow
NanoAg83	Ag3C6H5O7, N2H4, PVP, H2O	215.2	−3.11	Yellow
NanoAg94	Ag3C6H5O7, NaBH4, PVP, H2O-isop.	40.1	−38.4	Yellow
NanoAg95	Ag3C6H5O7, N2H4, PVP, H2O-isop.	395.1	−2.66	Yellow
NanoCu156	Cu(NO3)2, N2H4, PEG, H2O-isop.	244.6	−0.463	Brown
NanoCu208	C4H6O4Cu, N2H4, PEG, H2O	103.4	−0.0619	Brown
NanoCu219	C4H6O4Cu, NaBH4, PEG, H2O-isop.	8.7	−0.463	Brown
NanoCu220	C4H6O4Cu, N2H4, PEG, H2O-isop.	243	−17.4	Light brown
NanoCu222	C4H6O4Cu, NaBH4, PVP, H2O-isop.	19.7	−22.2	Light brown
NanoCu223	C4H6O4Cu, N2H4, PVP, H2O-isop.	262.7	−0.104	Brown