Supplementary material (ESI) for Chemical Communications
This journal is © The Royal Society of Chemistry 2003
A water-soluble and self-doped conducting polyaniline graft copolymer
Woo Jin Bae,a Keon Hyeong Kim,a Yun Heum Park*b and Won Ho Jo*a
a
Hyperstructured Organic Materials Research Center and School of Materials Science and
Engineering, Seoul National University, Seoul 151-742, Korea. Fax: 82-2-885-1748; Tel: 82-2880-7192; E-mail: whjpoly@plaza.snu.ac.kr
b
School of Applied Chemistry and Chemical Engineering, Sungkyunkwan University, Suwon 440-746,
Korea. Fax: 82-31-290-7330; Tel: 82-31-290-7312; E-mail: yhpark@skku.edu
Electronic supplementary information
Schematic diagram (a) of doped and de-doped state of PSSA-g-PANI and PSSA/PANI blend, and
structural change (b)of PSSA-g-PANI during de-doping process
Changes in intrinsic viscosity of PSSA-g-PANI during doping and de-doping
1
Supplementary material (ESI) for Chemical Communications
This journal is © The Royal Society of Chemistry 2003
XPS spectra of (a) doped PSSA-g-PANI and (b) de-doped PSSA-g-PANI
O S O O S O O S O
OH
OH
NH
O S O
O S O
O
O
OH
H+
N
H+
N
O S O O S O O S O
O S O O S O
OH
NH
OH
OH
OH
NH
O S O
OH
O S O
OH
O S O O S O
OH
OH
OH
NH
N
N
Structure
Binding
energy
quinoid imine (=N- structure)
benzenoid amine (-NH- structure)
Positively charged nitrogen (-N+structure)
395.8 eV
399.4 eV
NH
NH
402.8 eV
It is noted that the oxidation level of 0.5 evaluated from FT-IR experiment is coincident with the value
of 0.43 determined quantitatively by XPS analysis. The doping level was estimated ca. 35 mol%. (N 1s
core-level spectra)
2
Supplementary material (ESI) for Chemical Communications
This journal is © The Royal Society of Chemistry 2003
FTIR spectra of (a) P(SSNa-co-BOC-AMS), (b) P(SSA-co-AMS) and (c) PSSA-g-PANI, where Q, B
and op denote the quinoid ring, benzenoid ring and out-of-plane, respectively
(a)
Transmission
(b)
C=O

N-H C-H
NH3+
N-H
(c)
C-H
N-H C-N
N-H
3500
3000
(Q, B)
2500
2000
(OP)
C=N
1500
1000
500
Wave number (cm-1)
GPC profile of PSSA-g-PANI
Mn = 34 000
PDI = 1.54
20
25
30
35
Elution time (min)
Column: UltrahydrogelTM 500, 7.8 300 mm
Eluent: water/DMF(v/v=9.5/0.5)+0.5 M NaOH
Flow rate: 0.6 ml/min
3
(OP)
40
45