Table 3.

The overall results of AuNPs and AgNPs characterization.

Sample	STEM size (nm)	DLS size (nm)	UV–vis λmax (nm)	Zeta potential (mV)
AuNPs
A	5 ± 1	10 ± 2	520	−26 ± 6
B	24 ± 3	34 ± 7	518	−32 ± 1
C	58 ± 7	62 ± 10	528	−51 ± 5
AgNPs
D	6 ± 2	10 ± 2	407	−31 ± 7
E	27 ± 7	37 ± 7	405	−58 ± 2
F	45 ± 8	59 ± 10	427	−56 ± 2