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Electromagnetic properties of Fe3O4-functionalized graphene and its composites with a conducting polymer
- Authors
- Tran Thanh Tung; Feller, Jean-Francois; Kim, TaeYoung; Kim, Hyeongkeun; Yang, Woo Seok; Suh, Kwang S.
- Issue Date
- 1-Mar-2012
- Publisher
- WILEY
- Keywords
- conducting polymers; functionalization; graphene; ionic liquids; magnetic nanoparticles; magnetic properties
- Citation
- JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, v.50, no.5, pp.927 - 935
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
- Volume
- 50
- Number
- 5
- Start Page
- 927
- End Page
- 935
- ISSN
- 0887-624X
- Abstract
- Hybrid materials of Fe3O4-decorated reduced graphene oxide (Fe3O4-RGO) and poly(3,4-ethylenedioxythiophene) (PEDOT) were prepared by poly(ionic liquid)-mediated hybridization. In this hybrid material, poly(ionic liquid) was found to perform multiple roles for: (1) stabilizing Fe3O4-RGO against aggregation in the reaction medium, (2) transferring Fe3O4-RGO nanomaterials from aqueous into organic phase, and (3) associating Fe3O4-RGO nanomaterials with PEDOT. The hybrid materials of Fe3O4-RGO with PEDOT showed the lowest surface resistivity of 80 O sq-1 at an RGO-Fe3O4 loading of 1 wt %, and exhibited superparamagnetic behavior with an electromagnetic interference shielding effectiveness of 22 dB. (C) 2011 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2012
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