Biocompatible Responsive Polypyrrole/GO nanocomposite ... Biocompatible Responsive Polypyrrole/GO...

Biocompatible Responsive Polypyrrole/GO nanocomposite ... Biocompatible Responsive Polypyrrole/GO nanocomposite
Biocompatible Responsive Polypyrrole/GO nanocomposite ... Biocompatible Responsive Polypyrrole/GO nanocomposite
Biocompatible Responsive Polypyrrole/GO nanocomposite ... Biocompatible Responsive Polypyrrole/GO nanocomposite
Biocompatible Responsive Polypyrrole/GO nanocomposite ... Biocompatible Responsive Polypyrrole/GO nanocomposite
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Transcript of Biocompatible Responsive Polypyrrole/GO nanocomposite ... Biocompatible Responsive Polypyrrole/GO...

  • 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: madhankumar@kfupm.edu.sa ), Tel: +966538801789.

    Kye-Seong Kim (Email: ks66kim@hayang.ac.kr), 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

    mailto:ks66kim@hayang.ac.kr

  • -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

    0.020 Pure PPy

    C ur

    re nt

    , 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

    C ur

    re nt

    , 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

    C ur

    re nt

    , 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

    Cu rr

    en t,

    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

    C ur

    re nt

    , 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 70 2 Theta (degree)

    PGO2

    pure PPy

    In ten

    sit y,

    (A .U

    .)

    (001)

    GO

    (001)

    200 300 400 500 600 700 800 1

    2

    3

    4

    5

    6 Pure PPy GO PGO2

    Ab so

    rb an

    ce (A

    .U .)

    Wavelength (nm)

    Figure S3 XRD pattern of GO, pure PPy and PGO nanocomposite coatings.

    Figure S4