60
K. Illath et al.
Table 1
(continued)
S. No.
Metal
Shape
Size (nm)
Type
Reaction
condition
Tuning parameters
References
34
Au
Star
–
Chemical
reduction—seed-mediated
At room
temperature
Amount of AgNO
3
and pH
[91]
35
Au
Rod
–
Chemical
reduction—seed-mediated
–
Growth time, seed
amount and
concentration of
AgNO
3
[66]
36
Au
Rod
3.4 (aspect ratio)
Chemical
reduction—seed-mediated
Keep for 3 h for
complete growth
of particle
Reaction time,
amount of NaBH
4 ,
type of metal seed
and amount of Au
ion
[67]
37
Au
Spherical
30–60
Chemical reduction
Citrate reduction Amount of silver
acetate and
trisodium citrate
[68]
Rod
–
Chemical
reduction—seed-mediated
Ascorbic acid
reduction
Cubic
7–10
Photochemical method
X-ray irradiation
38
Au
Spherical
–
Chemical reduction
Trisodium citrate
dehydrate and
NaBH4
The concentration
of reducing agent
and reaction time
[69]
39
Au
Spherical
3.2
± 0.8
Chemical reduction
NaBH4
reduction
Reaction time
[72]
40
Ag
Spherical
41
± 14.3
Chemical reduction -CTAB
stabilized seed
NaOH reduction Seed ageing time
[31]
Rods
–
Triangular
nanoplates
52.2
± 10.3
(continued)