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Advanced Materials for Electromagnetic Shielding
book

Advanced Materials for Electromagnetic Shielding

by Maciej Jaroszewski, Sabu Thomas, Ajay V. Rane
November 2018
Intermediate to advanced content levelIntermediate to advanced
464 pages
18h 30m
English
Wiley
Content preview from Advanced Materials for Electromagnetic Shielding

11Graphene and CNT Based EMI Shielding Materials

M. D. Teli and Sanket P. Valia

Department of Fibres and Textile Processing Technology, Institute of Chemical Technology, Matunga (E), Mumbai, Maharashtra, India

11.1 Introduction to Graphene and Carbon Nanotubes

11.1.1 Introduction to Graphene Based Materials

Graphene is a one‐atom thick plane of graphite and is by far the thinnest among all materials. It is characterized by sp2 bonded carbon atoms, packed with high density in the form of honeycomb crystal lattice. It has uniquely distinguishing features that can be exploited in developing modern sophisticated electronic equipment. Some of these properties include its high surface area, non‐permeability to gases, outstanding thermal conductivity, stiffness, and high electrical conductivity. Graphene is a surface having two faces but almost no bulk in between and hence the electronic and optical properties of graphene can be modified, sometimes simply by strain and deformation [1]. It has an ability to sustain current densities six orders higher than copper. Owing to all these excellent electrical, thermal, and conducting properties, it is one of the most explored functional materials for preparation of different types of composites with applications in modern electronic equipment, aerospace industry, and medical instrumentations [2].

Industrially, two‐dimensional graphene sheets are produced using an ultrasonic cleavage technique whereby mechanical splitting of strongly layered ...

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Publisher Resources

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