Is the Diameter or Chirality Distribution of Single-Walled Carbon Nanotubes Selected in the Synthesis Process?
Authors: Bhattacharyya, Krishnendu; Suda, Yoshiyuki; Okita, Atsushi; Saito, Takeshi; Ozeki, Atsushi; Maekawa, Masayuki; Takayama, Junichi; Sugawara, Hirotake; Sakai, Yosuke
Source: Journal of Nanoscience and Nanotechnology, Volume 9, Number 3, March 2009 , pp. 1897-1903(7)
Publisher: American Scientific Publishers
Abstract:Based on recent theoretical photoluminescence intensity calculations, the population densities of sixteen semiconducting single-walled carbon nanotubes grown by alcohol catalytic chemical vapor deposition were estimated for two different temperatures. The profiles of population density merely as functions of tube-diameter or chiral angle are found to be widely scattered. However, systematic profiles are detectable when separately split into (2n+m), (n+2m) and (n−m) family arrays. Apart from these well-knit family behaviors, the population densities of the group of nanotubes forming another three possible series [viz. constant-n, constant-m and constant-(n+m)] also show evidence of good correlations. Hence, a two-dimensional chiral-zone selective growth principle is hypothesized.
Document Type: Research article
Publication date: 2009-03-01
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