Applying a potential difference to minimise damage to carbon fibres during carbon nanotube grafting by chemical vapour deposition

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Title: Applying a potential difference to minimise damage to carbon fibres during carbon nanotube grafting by chemical vapour deposition
Author(s): Anthony, DB
Qian, H
Clancy, AJ
Bismarck, A
Greenhalgh, ES
Shaffer, MSP
Item Type: Journal Article
Abstract: The application of an in-situ potential difference between carbon fibres and a graphite foil counter electrode (300 V, generating an electric field ca. 0.3 V μm-1 to 0.7 V μm-1) during the chemical vapour deposition synthesis of carbon nanotube (CNT) grafted carbon fibres, significantly improves the uniformity of growth without reducing the tensile properties of the underlying carbon fibres. Grafted carbon nanotubes with diameters around 55 nm and lengths around 10 μm were well attached to the carbon fibre surface, and were grown without the requirement for protective barrier coatings. The grafted CNTs increased the surface area to 185 m2 g-1 compared to the as-received sized carbon fibre 0.24 m2 g-1. The approach is not restricted to batch systems and has the potential to improve carbon nanotube grafted carbon fibre production for continuous processing.
Publication Date: 7-Jul-2017
Date of Acceptance: 8-Jun-2017
URI: http://hdl.handle.net/10044/1/49062
DOI: https://dx.doi.org/10.1088/1361-6528/aa783f
ISSN: 1361-6528
Publisher: IOP Publishing
Journal / Book Title: Nanotechnology
Volume: 28
Issue: 30
Copyright Statement: © 2017 The Authors. Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI (https://creativecommons.org/licenses/by/3.0/)
Sponsor/Funder: Engineering & Physical Science Research Council (E
Funder's Grant Number: EP/K503733/1
Keywords: Science & Technology
Technology
Physical Sciences
Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Physics, Applied
Science & Technology - Other Topics
Materials Science
Physics
carbon fibre
carbon nanotube
synthesis
chemical vapour deposition
potential difference enhanced
FIELD-DIRECTED GROWTH
HIERARCHICAL COMPOSITES
MULTISCALE-REINFORCEMENT
MECHANICAL-PROPERTIES
CATALYTIC GROWTH
HIGH-PERFORMANCE
EPOXY COMPOSITE
IN-SITU
HYBRID
NANOFIBERS
Nanoscience & Nanotechnology
MD Multidisciplinary
Publication Status: Published
Article Number: 305602
Appears in Collections:Faculty of Engineering
Chemistry
Aeronautics
Chemical Engineering
Faculty of Natural Sciences



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