Efficient synthesis of individual single-walled carbon nanotube by water-based catalyst with poly(vinylpyrrolidone)

Seung Yol Jeong, Sang Hyun Jeon, Gang Hee Han, Kay Hyeok An, Dong Jae Bae, Seuong Chu Lim, Ha Ryong Hwang, Chang-Soo Han, Minhee Yun, Young Hee Lee

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Individual single-walled carbon nanotubes (SWCNTs) were synthesized on the patterned water-soluble catalyst by thermal chemical vapor deposition. The individual SWCNTs were obtained by introducing polyvinylpyrrolidone (PVP) as a dispersant. The number of SWCNTs between two electrodes were approximately 1 ∼2 with an average diameter of about 1.7 nm and a yield of forming electrodes of nearly 70%. The PVP played an important role in dispersing catalysts and suppressing the active sites to limit the number of SWCNTs during synthesis, which is a critical condition for fabrication of field effect transistors (FETs). The measured I - V characteristics of the over layerdeposited electrodes revealed a clear gating effect in large portion, in good agreement with Raman observations in several excitation energies. The patterning procedure, catalyst preparation, and growth condition for fabrication of the SWCNT-FET were further discussed.

Original languageEnglish
Pages (from-to)329-334
Number of pages6
JournalJournal of Nanoscience and Nanotechnology
Volume8
Issue number1
DOIs
Publication statusPublished - 2008 Jan 1
Externally publishedYes

Fingerprint

Carbon Nanotubes
Single-walled carbon nanotubes (SWCN)
carbon nanotubes
catalysts
Catalysts
Water
synthesis
Povidone
Electrodes
water
electrodes
field effect transistors
Carbon nanotube field effect transistors
Fabrication
fabrication
Excitation energy
dispersing
Field effect transistors
Chemical vapor deposition
Catalytic Domain

Keywords

  • Catalyst
  • Chemical vapor deposition
  • Field effect transistor
  • Polyvinylpyrrolidone
  • Single walled carbon nanotube

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Materials Science (miscellaneous)
  • Engineering (miscellaneous)

Cite this

Efficient synthesis of individual single-walled carbon nanotube by water-based catalyst with poly(vinylpyrrolidone). / Jeong, Seung Yol; Jeon, Sang Hyun; Han, Gang Hee; An, Kay Hyeok; Bae, Dong Jae; Lim, Seuong Chu; Hwang, Ha Ryong; Han, Chang-Soo; Yun, Minhee; Lee, Young Hee.

In: Journal of Nanoscience and Nanotechnology, Vol. 8, No. 1, 01.01.2008, p. 329-334.

Research output: Contribution to journalArticle

Jeong, Seung Yol ; Jeon, Sang Hyun ; Han, Gang Hee ; An, Kay Hyeok ; Bae, Dong Jae ; Lim, Seuong Chu ; Hwang, Ha Ryong ; Han, Chang-Soo ; Yun, Minhee ; Lee, Young Hee. / Efficient synthesis of individual single-walled carbon nanotube by water-based catalyst with poly(vinylpyrrolidone). In: Journal of Nanoscience and Nanotechnology. 2008 ; Vol. 8, No. 1. pp. 329-334.
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