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Surface conductivity of aligned carbon nanotubes in silica gel

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Main Authors: Dan, A., Kundu, T. K., Chakravorty, D.
Format: Article
Language:English
Published: Universiti Malaysia Perlis 2016
Subjects:
Carbon nanotube
Hopping
Gel
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/41290
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spelling my.unimap-412902017-11-21T03:13:39Z Surface conductivity of aligned carbon nanotubes in silica gel Dan, A. Kundu, T. K. Chakravorty, D. Carbon nanotube Hopping Gel Link to publisher's homepage at http://ijneam.unimap.edu.my/ Carbon nanotubes (CNT) have attracted considerable attention since their discovery [1]. This is due to their unique physical properties and many potential applications. CNT have been investigated for possible application as a field - emission electron source [2-6]. Use of CNT in nanoelectronics has been explored [7-10]. Various methods have been adopted to synthesize carbon nanotubes,. Some of the are arc discharge [11, 12], laser vaporization [13], pyrolysis [14], plasma-enhanced [15] or thermal chemical vapour deposition (CVD) [16,17]. The approach has been to use nanometer-sized metal catalysts on a substrate on which CNT have been grown. An oxidised silicon substrate with a thin film of iron on it has been used for this purpose [18]. Also catalytic chemical vapour disposition (CCVD) method has been considered to be economic route for synthesis of large scale CNT [19]. Here, growth of aligned carbon nanotube bundles is described. We have employed a silica gel film with nickel nanoparticles dispersed in it. Bundles CNT have been grown within the film. The individual nanotube has diameter about 15nm. Transmission electron micrographs indicate that these nanotubes are aligned. The surface electrical resistivity measured by placing electrodes on the gel film surface shows a variable range hopping mechanism to be operative. 2016-04-13T04:31:18Z 2016-04-13T04:31:18Z 2013 Article International Journal of Nanoelectronics and Materials, vol.6 (1), 2013, pages 67-72 1985-5761 (Printed) 1997-4434 (Online) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/41290 en Universiti Malaysia Perlis
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Carbon nanotube
Hopping
Gel
spellingShingle Carbon nanotube
Hopping
Gel
Dan, A.
Kundu, T. K.
Chakravorty, D.
Surface conductivity of aligned carbon nanotubes in silica gel
description Link to publisher's homepage at http://ijneam.unimap.edu.my/
format Article
author Dan, A.
Kundu, T. K.
Chakravorty, D.
author_facet Dan, A.
Kundu, T. K.
Chakravorty, D.
author_sort Dan, A.
title Surface conductivity of aligned carbon nanotubes in silica gel
title_short Surface conductivity of aligned carbon nanotubes in silica gel
title_full Surface conductivity of aligned carbon nanotubes in silica gel
title_fullStr Surface conductivity of aligned carbon nanotubes in silica gel
title_full_unstemmed Surface conductivity of aligned carbon nanotubes in silica gel
title_sort surface conductivity of aligned carbon nanotubes in silica gel
publisher Universiti Malaysia Perlis
publishDate 2016
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/41290
_version_ 1643802792003895296
score 13.214268

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