Nanoelectromagnetic of the N-doped single wall carbon nanotube in the extremely high frequency band

Brahim Aissa, M. Nedil, J. Kroeger, Mohammad Hossain, Khaled Mahmoud, F. Rosei

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Materials offering excellent mechanical flexibility, high electrical conductivity and electromagnetic interference (EMI) attenuation with minimal thickness are in high demand, particularly if they can be easily processed into films. Carbon nanotube films deposited on a PDMS substrate combine these requirements. In this work, the potential of single wall carbon nanotubes (SWCNT) deposited on flexible polydimethylsiloxane (PDMS) polymer substrates for EMI attenuation is demonstrated. A 6-micrometer-thick SWCNT film exhibits EMI shielding effectiveness of 24.5 decibels in the extreme high frequency band (EHF), reaching 40 decibels when the SWCNTs are N-doped, which is one of the highest specific EMI attenuation performances optimized with film thickness realized to date. This performance stems from the good electrical conductivity of N-SWCNT films (150 Siemens per centimeter) and possible internal multireflections within the SWCNTs network. The excellent mechanical flexibility and easy coating processing enable them to sheathe complex shaped surfaces while providing high electromagnetic interference attenuation efficiency.

Original languageEnglish
Pages (from-to)14192-14200
Number of pages9
JournalNanoscale
Volume9
Issue number37
DOIs
Publication statusPublished - 7 Oct 2017

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Carbon Nanotubes
Signal interference
Frequency bands
Carbon nanotubes
Polydimethylsiloxane
Substrates
Shielding
Film thickness
Polymers
Coatings
Processing

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Nanoelectromagnetic of the N-doped single wall carbon nanotube in the extremely high frequency band. / Aissa, Brahim; Nedil, M.; Kroeger, J.; Hossain, Mohammad; Mahmoud, Khaled; Rosei, F.

In: Nanoscale, Vol. 9, No. 37, 07.10.2017, p. 14192-14200.

Research output: Contribution to journalArticle

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