Guideline for Abstract Preparation
File: Prepare the abstract using MS word following instructions below and give the
file name as “presenter’s name.doc”, e.g. “Hiromichi Kataura.doc”.
Margin: Top 35mm, bottom, left, and right 30mm
Title: Times New Roman, 14 pt, Bold, Centered on line.
Capitalize the first character of each noun.
Names: Times New Roman, 12 pt, Centered on line.
Mark * to corresponding author, and write the email address at the page end.
Underline the presenter’s name.
Use full names if possible. (“Hiromichi Kataura” is preferred to “H. Kataura”)
Affiliations: Times New Roman, 12 pt, italic, Centered on line.
Contents: Times New Roman, 12 pt, Both ends lined-up, No indent for the first line.
2/3 page including figures is most welcome. When the figures are included,
produce the figures with as high a resolution as possible and insert them at
empty spaces.
Please keep at least one empty line at the bottom for the buffer of the machine
difference!
Email of the corresponding author is to be placed at the page end.
The example of the following abstract can be used as a template.
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Metal Semiconductor Separation of Single Wall Carbon Nanotubes
Hiromichi Kataura*1,2, Takeshi Tanaka1, Kazuhiro Yanagi1,2, Yasumitsu Miyata1, and
Yutaka Maniwa2,3,
1
Nanotechnology Research Institute, AIST, Tsukuba 305-8562, Japan
2
3
JST, CREST, Kawaguchi 330-0012, Japan
Department of Physics, Tokyo Metropolitan University, Tokyo 192-0397, Japan
Mixed production of metallic and semiconducting single-wall carbon nanotubes
(SWCNTs) is one of the most serious problems for the practical use as electronic
devices. Recently, Arnold et al. have reported a new method to sort the SWCNTs by
their electronic types using a density gradient ultracentrifugation (DGU). [1] We have
improved their method and successfully separated metallic and semiconducting
SWCNTs in large quantity with 99% purity. [2] Although the improved DGU method
provides high purity metallic and semiconducting SWCNTs, the dealing amount is
strongly limited by the capacity of the rotor. For the industrial applications, much
larger dealing amount is required. In this presentation, we would like to introduce a
new separation method that has no limitation in the dealing amount in principle. The
new method is agarose gel-electrophoresis (AGE) [4]. A demonstrated picture is
displayed in the Figure 1. Details will be discussed in the presentation.
We have measured electronic and optical properties of metallic and semiconducting
SWCNTs with various diameters. It was revealed that the metallic SWCNT shows
bright colors, cyan, magenta, and yellow, depending on their mean diameter. [2] These
colorful SWCNTs could be used as highly durable full color conductive inks. The
conductivity of the metallic SWCNT thin film exhibited an extreme stability against a
chemical carrier doping because of the constant electronic density of states near the
Fermi level in the metallic SWCNT. [3] Resonance Raman spectra also showed very
interesting results. It was found
that the D and G’ peak
Semiconducting SWCNTs
frequency and their resonance
effects of metallic SWCNT is
different
from
that
of
semiconducting one.
Agarose
Metallic SWCNTs
Figure 1. Typical example photograph of AGE separation of SWCNTs.
References:
[1] Arnold et al., Nat. Nanotechnol. 1 (2006) 60.
[2] K. Yanagi et al., Appl. Phys. Express 1 (2008) 034003.
[3] Y. Miyata et al. J. Phys. Chem. C, 112 (2008) 3591.
[4] http://www.aist.go.jp/aist_j/press_release/pr2008/pr20080226/pr20080226.html
*Email address: h-kataura@aist.go.jp
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