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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
-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
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