Electrochemical supercapacitors based on a novel graphene/conjugated polymer composite system
Article
Kumar, Nanjundan Ashok, Choi, Hyun Jung, Bund, Andreas, Baek, Jong-Beom and Jeong, Yeon Tae. 2012. "Electrochemical supercapacitors based on a novel graphene/conjugated polymer composite system." Journal of Materials Chemistry. 22 (24), pp. 12268-12274. https://doi.org/10.1039/c2jm30701d
Article Title | Electrochemical supercapacitors based on a novel graphene/conjugated polymer composite system |
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Article Category | Article |
Authors | Kumar, Nanjundan Ashok, Choi, Hyun Jung, Bund, Andreas, Baek, Jong-Beom and Jeong, Yeon Tae |
Journal Title | Journal of Materials Chemistry |
Journal Citation | 22 (24), pp. 12268-12274 |
Number of Pages | 7 |
Year | 2012 |
Publisher | The Royal Society of Chemistry |
Place of Publication | United Kingdom |
ISSN | 0959-9428 |
1364-5501 | |
Digital Object Identifier (DOI) | https://doi.org/10.1039/c2jm30701d |
Web Address (URL) | https://pubs.rsc.org/en/content/articlelanding/2012/jm/c2jm30701d |
Abstract | An efficient method for the preparation of a highly conducting hybrid material from graphene oxide nanosheets (GNS) and a novel conjugated polymer, poly(3,4-propylenedioxythiophene), is demonstrated. A functionalized monomer based on 3,4-propylenedioxythiophene, namely ProDOT–OH, was covalently functionalized with GNS, followed by oxidative polymerization to prepare GNS-f-PProDOT composites. The covalent functionalization process of GNS with the monomer ProDOT–OH was activated through the simple esterification reaction between the acyl chloride derivative on the nanosheets and the pendant hydroxyl group present in the monomer. Furthermore, the monomer functionalized GNS were co-polymerized with thiophene resulting in hybrid graphene nanostructures coated with highly conducting co-polymers with a room temperature electrical conductivity as high as 22.5 S cm−1. The resulting hybrid materials were characterized using a range of analytical techniques. The specific capacitance value of the composite and the co-polymer hybrids at a scan rate of 10 mV s−1 has been determined to be 158 and 201 F g−1 respectively and hence particularly promising for supercapacitors. |
Keywords | Capacitors |
Contains Sensitive Content | Does not contain sensitive content |
ANZSRC Field of Research 2020 | 4016. Materials engineering |
401602. Composite and hybrid materials | |
Public Notes | There are no files associated with this item. |
Byline Affiliations | Pukyong National University, Korea |
Ulsan National Institute of Science and Technology, Korea | |
Ilmenau University of Technology, Germany |
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