Abstract
A one-step electrochemical process has been employed to synthesize composite films of polypyrrole/graphene (PPy/GR) by electrochemical polymerization on indium tin oxide (ITO) from an aqueous solution containing pyrrole monomer, graphene oxide (GO) nanosheets and sodium p-toluenesulfonate (NapTS). Thermogravimetric analysis (TGA) confirmed the formation of a composite; the degradation temperature of the new hybrid was between those of PPy and GO. Moreover, the bulbous surface of PPy and the almost transparent tissue-like GO nanosheets were replaced by the new appearance of the composite where the surface was flat but creased. As GO is nonconductive, we deduced that it had been reduced to conducting graphene in the composite film during the electrodeposition process, based on an electrical conductivity study measured with a four-point probe. On average, the electrical conductivity of the PPy/GR composites was twofold higher than that of the pure PPy film, indicating that the incorporation of graphene was able to enhance the conductivity of PPy film.
| Original language | English |
|---|---|
| Pages (from-to) | 224-229 |
| Number of pages | 6 |
| Journal | Journal of Applied Polymer Science |
| Volume | 128 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 5 Apr 2013 |
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Keywords
- composite
- conducting polymers
- electrochemistry
- graphene
ASJC Scopus subject areas
- Materials Chemistry
- Polymers and Plastics
- Surfaces, Coatings and Films
- Chemistry(all)
Cite this
Polypyrrole/graphene composite films synthesized via potentiostatic deposition. / Lim, Y. S.; Tan, Y. P.; Lim, H. N.; Tan, W. T.; Mahnaz, M. A.; Talib, Z. A.; Huang, N. M.; Kassim, A.; Yarmo, Mohd. Ambar.
In: Journal of Applied Polymer Science, Vol. 128, No. 1, 05.04.2013, p. 224-229.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Polypyrrole/graphene composite films synthesized via potentiostatic deposition
AU - Lim, Y. S.
AU - Tan, Y. P.
AU - Lim, H. N.
AU - Tan, W. T.
AU - Mahnaz, M. A.
AU - Talib, Z. A.
AU - Huang, N. M.
AU - Kassim, A.
AU - Yarmo, Mohd. Ambar
PY - 2013/4/5
Y1 - 2013/4/5
N2 - A one-step electrochemical process has been employed to synthesize composite films of polypyrrole/graphene (PPy/GR) by electrochemical polymerization on indium tin oxide (ITO) from an aqueous solution containing pyrrole monomer, graphene oxide (GO) nanosheets and sodium p-toluenesulfonate (NapTS). Thermogravimetric analysis (TGA) confirmed the formation of a composite; the degradation temperature of the new hybrid was between those of PPy and GO. Moreover, the bulbous surface of PPy and the almost transparent tissue-like GO nanosheets were replaced by the new appearance of the composite where the surface was flat but creased. As GO is nonconductive, we deduced that it had been reduced to conducting graphene in the composite film during the electrodeposition process, based on an electrical conductivity study measured with a four-point probe. On average, the electrical conductivity of the PPy/GR composites was twofold higher than that of the pure PPy film, indicating that the incorporation of graphene was able to enhance the conductivity of PPy film.
AB - A one-step electrochemical process has been employed to synthesize composite films of polypyrrole/graphene (PPy/GR) by electrochemical polymerization on indium tin oxide (ITO) from an aqueous solution containing pyrrole monomer, graphene oxide (GO) nanosheets and sodium p-toluenesulfonate (NapTS). Thermogravimetric analysis (TGA) confirmed the formation of a composite; the degradation temperature of the new hybrid was between those of PPy and GO. Moreover, the bulbous surface of PPy and the almost transparent tissue-like GO nanosheets were replaced by the new appearance of the composite where the surface was flat but creased. As GO is nonconductive, we deduced that it had been reduced to conducting graphene in the composite film during the electrodeposition process, based on an electrical conductivity study measured with a four-point probe. On average, the electrical conductivity of the PPy/GR composites was twofold higher than that of the pure PPy film, indicating that the incorporation of graphene was able to enhance the conductivity of PPy film.
KW - composite
KW - conducting polymers
KW - electrochemistry
KW - graphene
UR - http://www.scopus.com/inward/record.url?scp=84872362801&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84872362801&partnerID=8YFLogxK
U2 - 10.1002/app.38174
DO - 10.1002/app.38174
M3 - Article
AN - SCOPUS:84872362801
VL - 128
SP - 224
EP - 229
JO - Journal of Applied Polymer Science
JF - Journal of Applied Polymer Science
SN - 0021-8995
IS - 1
ER -