Author

Reduction

method

Metal

precursor

Reducing reagent

Power (W)

[D%]

Process

time (s)

Morphology

Saha et al.

(2013) [32] *

One-pot

IFB 30SC8

Rated 900 W

AgNO3

Ocimum leaf extract

900

[100]

90

Spherical and oval: 3 to 50 nm

Iqbal

(2013) [33] [50]

One-pot

Samsung MW71B

Rated 800 W

AgNO3

Ca(NO3)2×4H2O

(NH4)2HPO4

CTAB

600

[50%]

420

Spherical aggregated

~58 nm

El-Naggar

(2016) [27] **

First step

Galanz

Rated 800 W

AgNO3

Curdlan

Not reported

120

Ag core shell

52 to 54 nm

Jyothi

(2020) [34]

One-pot

CATA-R

Rated 800 W

AgNO3

Coleus amboinicu leaf extract

800

[100]

60

Spherical

~15 nm

Ahmed et al.

(2021) [35]

One-pot Samsung

Rated 800 W

AgNO3

Oxalic acid

H2O

CTAB

800

[100]

180

Spherical bimodal ~6.5 and 7.5 nm