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Biocompatible Responsive Polypyrrole/GO nanocomposite
Coatings for biomedical applications
A. Madhan Kumar a*, Bharathi Suresh b, c, Suresh Ramakrishna b, c,
and Kye-Seong Kim b, c*
a Centre of Research Excellence in Corrosion, Research Institute, King Fahd University of
Petroleum and Minerals, Dhahran, Saudi Arabia
b Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, Korea.
c College of Medicine, Hanyang University, Seoul, Korea.
*Correspondence authors
A. Madhan Kumar (Email: [email protected] ), Tel: +966538801789.
Kye-Seong Kim (Email: [email protected] ), Tel: +82-2-2220-0607, Fax: +82-2-
2220-2422
Electronic Supplementary Material (ESI) for RSC Advances.This journal is © The Royal Society of Chemistry 2015
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-0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 0.8 1.0 1.2-0.004
0.000
0.004
0.008
0.012
0.016
0.020Pure PPy
Cur
rent
, i/A
Potential, E / V vs SCE
-0.6 -0.3 0.0 0.3 0.6 0.9 1.2-0.02
0.00
0.02
0.04
0.06
0.08
Potential, E / V vs SCE
Cur
rent
, i/A
Pure PPy PGO1 PGO2 PGO3
-0.6 -0.3 0.0 0.3 0.6 0.9 1.2-0.02
0.00
0.02
0.04
0.06
0.08
Potential, E / V vs SCE
Cur
rent
, i/A
PGO1
-0.6 -0.3 0.0 0.3 0.6 0.9 1.2
-0.04
0.00
0.04
0.08
0.12
Potential, E / V vs SCE
Curr
ent,
i/A
PGO2
-0.6 -0.3 0.0 0.3 0.6 0.9 1.2-0.04
0.00
0.04
0.08
0.12
0.16
Potential, E / V vs SCE
Cur
rent
, i/A
PGO3
Figure S1 CV curves of pure PPy and PGO nanocomposite coatings on 316L SS substrates
Figure S2 UV-Vis spectral results of GO, pure PPy and PGO nanocomposite coatings
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10 20 30 40 50 60 702 Theta (degree)
PGO2
pure PPy
Inten
sity,
(A.U
.)
(001)
GO
(001)
200 300 400 500 600 700 8001
2
3
4
5
6 Pure PPy GO PGO2
Abso
rban
ce (A
.U.)
Wavelength (nm)
Figure S3 XRD pattern of GO, pure PPy and PGO nanocomposite coatings.
Figure S4