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Producing controlled-grid patterns of nanotube arrays for strengthening polymer composites
There is nothing new about combining two materials to make a composite material with more desirable properties than the originals. Fibreglass has been a mainstay of the marine industry for decades and the construction industry is built on reinforced concrete. Now carbon nanotubes (CNT) are getting in on the act with nanotechnologists working out how to grow nanotube reinforcements for polymers in an ideal manner.
Researchers from Trinity College have developed a scalable inexpensive technique to grow grid patterns of nanotube arrays. To maximise the effect of CNT reinforcement on a polymer thin film, while minimizing nanotube content, a controllable way of varying the volume fraction of CNTs within the composite is needed. In order to do this, the inter-grid spacing can be tailored as required giving a simple method of controlling the volume fraction of nanotubes grown on substrates.
The research work by Werner J. Blau, Dr. Emer Lahiff, Andrew I. Minett and Dr. Kentaro Nakajima is expected to lead to incorporation of CNTs in polymer matrices within flat panel displays, sensors, flexible electronic devices and actuators.
The study has been published in a special edition of the open access journal, AZoJono. This special edition of AZoJono features a number of papers from DESYGN-IT, the project seeking to secure Europe as the international scientific leader in the design, synthesis, growth, characterisation and application of nanotubes, nanowires and nanotube arrays for industrial technology.
The article is available to view in full at http://www.azonano.com/Details.asp?ArticleID=2040
*AZojono publishes high quality articles and papers on all aspects of nanomaterials and related technologies. All the contributions are reviewed by a world class panel of editors who are experts in a wide spectrum of materials science. [See http://www.azonano.com/founding_editors.asp ]
AZojono is based on the patented OARS (Open Access Rewards System) publishing protocol. The OARS protocol represents a unique development in the field of scientific publishing – the distribution of online scientific journal revenue between the authors, peer reviewers and site operators with no publication charges, just totally free to access high quality, peer reviewed materials science. [See http://www.azonano.com/nanotechnology%20journal.asp and http://www.azonano.com/journal_of_nanotechnology.asp ]
Members of DESYGN-IT are Trinity College Dublin, National University of Ireland Cork, Jozef Stefan Institute, University of Ulster, Queen Mary and Westfield College, Queen University Belfast, Fraunhofer-Gesellschaft, University of Cambridge, Toughglass, Sensor Technology & Devices, Mid Sweden University, Ntera, Mo6 and University of Latvia.
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