Surface-enhanced absorption by self-organized silver films with aciniform
nanoaggregates at elevated temperatures
Sang Woo Kim
Clean Energy Center, Korea Institute of Science and Technology, 39-1 Haweoulgog-dong, Sungbuk-ku, Seoul
136-791, South Korea
Supplementary Table 1. Changes of the average particle size with elapse of time of
colloidal silver sols prepared at different conditions
Sols
Silver particle size (nm)
36 h
164 h
B
5
bi-modal
C
8
13
D
30
bi-modal
E
bi-modal
100
F
11
30
G
12
20
H
20
bi-modal
I
4
11
J
3
3
K
4.5
4.5
L
4
10
M
4
10
N
bi-modal
bi-modal
O
bi-modal
bi-modal
(a)
(b)
Supplementary Fig. 1. The particle size and distribution of colloidal silver nanoparticles was
measured by the particle size analyzer.
Supplementary Fig. 2. Sample preparation for cross-section views of silver films.
Supplementary Fig. 3. TGA curves of Ag/PVP nanoparticles and pure PVP showing the
weight loss during two stages (Ref.: Gasaymeh SS, Radiman S, Heng LY (2010) Synthesis
and Characterization of Silver/Polyvinilpirrolidone (Ag/PVP) Nanoparticles Using Gamma
Irradiation Techniques. Afr Phys Rev 4[0006]: 31-41).
Supplementary Fig. 4. Infrared spectra of PVP and the residues obtained after heat treatment
at 375oC for 1 h (Ref.: Peniche C, Zaldivar D, Pazos M, Paz S, Bulay A, Romans JS (1993) J.
Appl Poly Sci 50[3]: 485-493).