CUED Publications database

Study of multi-walled carbon nanotube structures fabricated by PMMA suspended dispersion

Lee, S-B and Teo, KBK and Chhowalla, M and Hasko, DG and Amaratunga, GAJ and Milne, WI and Ahmed, H (2002) Study of multi-walled carbon nanotube structures fabricated by PMMA suspended dispersion. Microelectronic Engineering, 61-62. pp. 475-483. ISSN 0167-9317

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Abstract

We report on the electrical characteristics of plasma enhanced chemical vapour deposition (PECVD)-grown, multi-walled carbon nanotube (MWCNT) devices made by a new fabrication method, PMMA suspended dispersion. This method makes it possible to suspend nanotubes between metal electrodes and to remove unwanted nanotubes from the substrate. The measurements show that the MWCNTs are metallic and able to maintain a current density ∼2×106 A/cm2 for more than 15 days with a maximum current density of ∼1.8×107 A/cm2. This high current density and reliability will make PECVD-grown MWCNTs applicable to field emission cathodes. © 2002 Elsevier Science B.V. All rights reserved.

Item Type: Article
Uncontrolled Keywords: Field emission cathode Multi-walled carbon nanotubes Plasma enhanced chemical vapour deposition PMMA suspended dispersion
Subjects: UNSPECIFIED
Divisions: UNSPECIFIED
Depositing User: Cron job
Date Deposited: 04 Feb 2015 22:28
Last Modified: 25 May 2015 10:59
DOI: 10.1016/S0167-9317(02)00436-7