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A review on properties influencing on the conductivity of CNT/Cu composites and their applications in wearable/flexible electronics

Abstract

During past few decades, CNT/Cu based composite material has fascinated the worldwide research community with its phenomenal mechanical and thermal properties. In addition, CNT/Cu composites have shown remarkable electrical properties and have become a booming candidate in present electrical, semiconductor and packaging industries. Though several research groups have developed CNT/Cu composites with high conductive properties, very few could even come closer to the benchmark conductivity of pure Cu conductors. The conductivity of the composite has shown dependency on several key factors like CNT alignment, CNT dispersion and material interface; which could have been shaped during its fabrication procedures. Each of these factors have shown a significant interdependency and effective tailoring of those factors can result in better composite with enhanced electrical properties while retaining its mechanical robustness. High flexibility and the improved fatigue life had opened the pathways of CNT/Cu composite into flexible/wearable electronics where CNT/Cu has been introduced into energy storage, energy conversion and sensing systems. In this review article, different approaches on achieving enhanced conductive properties will be presented based on respective factor they have dealt with. On top of the main discussion on composite electrical conductivity, an overview on CNT/Cu composite applications in flexible/wearable electronics will be presented. The discussion on wearable/flexible electronics will be based on their materials, methods and principle functionalities

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Publication details

The article was received on 03 Jul 2017, accepted on 09 Aug 2017 and first published on 09 Aug 2017


Article type: Review Article
DOI: 10.1039/C7TC02965A
Citation: J. Mater. Chem. C, 2017, Accepted Manuscript
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    A review on properties influencing on the conductivity of CNT/Cu composites and their applications in wearable/flexible electronics

    W. A. D. M. Jayathilaka, A. Chinnappan and S. Ramakrishna, J. Mater. Chem. C, 2017, Accepted Manuscript , DOI: 10.1039/C7TC02965A

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