Journal
MATERIALS LETTERS
Volume 115, Issue -, Pages 215-218Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2013.10.088
Keywords
SWCNT; Thin film; Electrohydrodynamic atomization; Supercapacitor; PES; Electrical study
Funding
- Cooperative RD Program [B551179-10-01-00]
- Korea Research Council Industrial Science and Technology, Republic of Korea
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In this article, we report the application of a non-vacuum based direct printing technique of electrohydro-dynamic atomization (EHDA) for the deposition of single-walled carbon nanotube (SWCNT) thin films of 90 nm thickness onto flexible polyethersulfone (PES) substrates. The optimization of EHDA process to achieve a stable cone jet for the uniform deposition of SWCNT thin films is discussed in detail. The physico-chemical characterization of SWCNT thin films has been carried out using X-ray diffraction, UV-vis spectroscopy and Fourier-transform infra red spectroscopy techniques. The field emission scanning electron microscope studies revealed the surface morphology of SWCNT thin films. Further, the electrical study of the SWCNT thin films exhibited a linear ohmic behavior at room temperature as well as at elevated temperatures. (C) 2013 Elsevier B.V. All rights reserved.
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