Poly(ionic liquid)-stabilized graphene sheets and their hybrid with poly(3,4-ethylenedioxythiophene)
- Authors
- Tran Thanh Tung; Kim, Tae Young; Shim, Jong Pil; Yang, Woo Seok; Kim, Hyeongkeun; Suh, Kwang S.
- Issue Date
- 12월-2011
- Publisher
- ELSEVIER
- Keywords
- Graphene; Poly(ionic liquid); Conducting polymer; Transparent conductive film; Hybrid composites
- Citation
- ORGANIC ELECTRONICS, v.12, no.12, pp.2215 - 2224
- Indexed
- SCIE
SCOPUS
- Journal Title
- ORGANIC ELECTRONICS
- Volume
- 12
- Number
- 12
- Start Page
- 2215
- End Page
- 2224
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/111038
- DOI
- 10.1016/j.orgel.2011.09.012
- ISSN
- 1566-1199
- Abstract
- Hybrid materials of reduced graphene oxide (RG-O) and poly(3,4-ethylenedioxythiophene) (PEDOT) were prepared by poly(ionic liquid)-mediated hybridization. In this hybrid material, poly(ionic liquid)s (PILs) are found to be preferentially physisorbed onto the RG-O platelets, and allow them to be dispersed as a homogeneous colloidal system. In addition to the function as an effective stabilizer, the PIL also promotes PEDOT growth on RG-O platelets through favorable molecular interaction of PIL with PEDOT chains. The resulting material, a hybrid of RG-O and PEDOT showed an electrical conductivity of 18.8 S/cm at a RG-O loading of 0.3 wt.%, and its thin film on glass substrate showed a surface resistivity as low as 1.8 x 10(4) Omega/sq at an optical transmittance of 91.18%. (C) 2011 Elsevier B.V. All rights reserved.
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