Table 1.
Summary of particle size distribution of NG as measured by DLS, NG and AgNPs in NG as measured by TEM and amount of Ag in the NG as measured by TGA.
| Sample | Hydrodynamic diameter (nm) (DLS) |
NG diameter (nm) (TEM) |
AgNPs diameter (nm) (TEM) |
Ag wt.% | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| DH (nm) |
FWHM | Mean ± sd |
xc | FWHM | Mean ± sd |
xc | FWHM | As prepared |
After dialysis |
|
| NG | 164 ± 33 |
110 | 83 ± 13 |
79 | 38 | -- | -- | -- | -- | -- |
|
NG-
Ag2 |
164 ± 43 |
140 | 90 ± 19 |
86 | 38 | 4.9 ± 1.6 |
4.3 | 2.4 | 6.1 | 4.8 |
|
NG-
Ag5 |
177 ± 53 |
149 | 86 ± 16 |
80 | 30 | 4.2 ± 1.2 |
4.3 | 2.5 | 7.7 | 5.1 |
|
NG-
Ag10 |
163 ± 41 |
120 | 86 ± 14 |
82 | 22 | 4.2 ± 1.1 |
4.4 | 2.2 | 12.9 | 5.7 |
|
NG-
Ag25 |
168 ± 47 |
141 | 85 ± 20 |
80 | 31 | 4.6 ± 1.7 |
4 | 3 | 20.4 | 8.5 |
Xc: center of the Gaussian peak; FWHM: full width at half maximum of the Gaussian peak