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Dispersion and separation of small-diameter single-walled carbon nanotubes |
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| Authors: | Maeda Yutaka Kanda Makoto Hashimoto Masahiro Hasegawa Tadashi Kimura Shin-ichi Lian Yongfu Wakahara Takatsugu Akasaka Takeshi Kazaoui Said Minami Nobutsugu Okazaki Toshiya Hayamizu Yuhei Hata Kenji Lu Jing Nagase Shigeru |
| Institution: | Department of Chemistry, Tokyo Gakugei University, Tokyo 184-8501, Japan. |
| Abstract: | The dispersion of small-diameter single-walled carbon nanotubes (SWNTs) produced by the CoMoCAT method in tetrahydrofuran (THF) with the use of amine was studied. The absorption, photoluminescence, and Raman spectroscopies showed that the dispersion and centrifugation process leads to an effective separation of metallic SWNTs from semiconducting SWNTs. Since this method is simple and convenient, it is highly applicable to an industrial utilization for widespread applications of SWNTs. |
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