CUED Publications database

Production of hierarchical all graphitic structures: A systematic study

Tsirka, K and Foteinidis, G and Dimos, K and Tzounis, L and Gournis, D and Paipetis, AS (2017) Production of hierarchical all graphitic structures: A systematic study. Journal of Colloid and Interface Science, 487. pp. 444-457. ISSN 0021-9797

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Abstract

We report the production of hierarchical all graphitic structures through a systematic study involving the use of wet chemical treatments for dip coating of carbon fibers (CFs) for surface grafting with multiwalled carbon nanotubes (CNTs). Realization of a thin homogeneous veil of CNTs onto the CF surface was achieved through an extensive parametric survey. Optimization of aqueous dispersions of CNTs eliminated the need for oxidation of the CF surface. The effects of chemical processes onto the surface and structural characteristics of the involved graphitic species were evaluated via thermogravimetric analysis, and X-ray photoelectron, infrared and Raman spectroscopies. The dielectric properties of the produced CNT aqueous dispersions were monitored via electrochemical impedance spectroscopy. A final assessment of the produced hierarchical CFs was performed through scanning electron microscopy.

Item Type: Article
Uncontrolled Keywords: Carbon fibers Carbon nanotubes EIS FTIR Hierarchical composites Raman SEM TGA Wet chemical treatment XPS
Subjects: UNSPECIFIED
Divisions: Div B > Solid State Electronics and Nanoscale Science
Depositing User: Cron Job
Date Deposited: 12 Jun 2018 01:34
Last Modified: 08 Apr 2021 06:09
DOI: 10.1016/j.jcis.2016.10.075