Controlling the growth of vertically aligned single walled carbon nanotubes from ethanol for electrochemical supercapacitor application

Asyadi Azam, Mohd and Mohamed, Mohd Ambri and Shikoh, Eiji and Fujiwara, Akihiko and Shimoda, Tatsuya (2010) Controlling the growth of vertically aligned single walled carbon nanotubes from ethanol for electrochemical supercapacitor application. In: 8th International Symposium on New Materials for Electrochemical Systems, 11-15 July 2010, Shanghai, China.

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Abstract

Here, we report on the growth of VA-SWCNTs using the ACCVD technique. Al2O3-supported Co catalyst and high purity ethanol (carbon feedstock) were used for the growth process. Both Al layer and Co thin-films were deposited using an electron beam evaporator. The Al layer of 20 nm nominal thickness was manually oxidized before the deposition of 0.5 nm Co. The CNT growth was optimized using Si/SiO2 substrates, and the selected growth parameter was applied to each conducting substrate such as Inconel 600, Inconel 601, Si, and SUS 310S. In order to understand the mechanism of the CNT growth, synthesis of the catalyst nanoparticles and their structural characterization before CVD growth were carried out using atomic force microscope (AFM), scanning electron microscope (SEM), and x-ray diffraction (XRD). The properties of the as-grown CNTs were mainly characterized using Raman spectroscopy and SEM.

Item Type:	Conference or Workshop Item (Speech)
Subjects:	Q Science > Q Science (General) T Technology > TA Engineering (General). Civil engineering (General)
Divisions:	Faculty of Manufacturing Engineering > Department of Engineering Materials
Depositing User:	Dr Mohd Asyadi 'Azam Bin Mohd Abid
Date Deposited:	25 Jul 2012 00:22
Last Modified:	28 May 2015 03:27
URI:	http://eprints.utem.edu.my/id/eprint/4673
Statistic Details:	View Download Statistic

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