Pressure effects on nanotubes formation using the submerged arc in water method

Noriaki Sano; Masakazu Naito; Manish Chhowalla; Takeyuki Kikuchi; Satoshi Matsuda; Kenji Iimura; Haolan Wang; Tatsuo Kanki; Gehan A.J. Amaratunga

doi:10.1016/S0009-2614(03)01246-6

Pressure effects on nanotubes formation using the submerged arc in water method

Noriaki Sano, Masakazu Naito, Manish Chhowalla, Takeyuki Kikuchi, Satoshi Matsuda, Kenji Iimura, Haolan Wang, Tatsuo Kanki, Gehan A.J. Amaratunga

Rutgers University

Research output: Contribution to journal › Article

38 Citations (Scopus)

Abstract

Synthesis of multi-walled carbon nanotubes (MWCNTs) by an arc discharge between two graphite electrodes submerged in water under controlled pressure (from 400 to 760 Torr) is reported. Transmission and scanning electron microscopy investigations of the arc discharge product collected from the bottom of the reactor revealed high concentrations of MWCNTs at all pressures. Dynamic light scattering (DLS) on suspensions containing MWCNTs showed that the mean diameter of the nanotubes increases with decreasing pressure. Raman spectroscopy analysis reveals that the relative amount of disordered carbon is significantly less in the low-pressure samples. Furthermore, the yield of the deposit was found to be independent of the pressure. These results suggest that the physical properties of MWCNTs formed by the submerged arc can be controlled by varying the pressure.

Original language	English
Pages (from-to)	29-34
Number of pages	6
Journal	Chemical Physics Letters
Volume	378
Issue number	1-2
DOIs	https://doi.org/10.1016/S0009-2614(03)01246-6
Publication status	Published - Aug 29 2003

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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Sano, N., Naito, M., Chhowalla, M., Kikuchi, T., Matsuda, S., Iimura, K., Wang, H., Kanki, T., & Amaratunga, G. A. J. (2003). Pressure effects on nanotubes formation using the submerged arc in water method. Chemical Physics Letters, 378(1-2), 29-34. https://doi.org/10.1016/S0009-2614(03)01246-6

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abstract = "Synthesis of multi-walled carbon nanotubes (MWCNTs) by an arc discharge between two graphite electrodes submerged in water under controlled pressure (from 400 to 760 Torr) is reported. Transmission and scanning electron microscopy investigations of the arc discharge product collected from the bottom of the reactor revealed high concentrations of MWCNTs at all pressures. Dynamic light scattering (DLS) on suspensions containing MWCNTs showed that the mean diameter of the nanotubes increases with decreasing pressure. Raman spectroscopy analysis reveals that the relative amount of disordered carbon is significantly less in the low-pressure samples. Furthermore, the yield of the deposit was found to be independent of the pressure. These results suggest that the physical properties of MWCNTs formed by the submerged arc can be controlled by varying the pressure.",

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AU - Sano, Noriaki

AU - Naito, Masakazu

AU - Chhowalla, Manish

AU - Kikuchi, Takeyuki

AU - Matsuda, Satoshi

AU - Iimura, Kenji

AU - Wang, Haolan

AU - Kanki, Tatsuo

AU - Amaratunga, Gehan A.J.

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N2 - Synthesis of multi-walled carbon nanotubes (MWCNTs) by an arc discharge between two graphite electrodes submerged in water under controlled pressure (from 400 to 760 Torr) is reported. Transmission and scanning electron microscopy investigations of the arc discharge product collected from the bottom of the reactor revealed high concentrations of MWCNTs at all pressures. Dynamic light scattering (DLS) on suspensions containing MWCNTs showed that the mean diameter of the nanotubes increases with decreasing pressure. Raman spectroscopy analysis reveals that the relative amount of disordered carbon is significantly less in the low-pressure samples. Furthermore, the yield of the deposit was found to be independent of the pressure. These results suggest that the physical properties of MWCNTs formed by the submerged arc can be controlled by varying the pressure.

AB - Synthesis of multi-walled carbon nanotubes (MWCNTs) by an arc discharge between two graphite electrodes submerged in water under controlled pressure (from 400 to 760 Torr) is reported. Transmission and scanning electron microscopy investigations of the arc discharge product collected from the bottom of the reactor revealed high concentrations of MWCNTs at all pressures. Dynamic light scattering (DLS) on suspensions containing MWCNTs showed that the mean diameter of the nanotubes increases with decreasing pressure. Raman spectroscopy analysis reveals that the relative amount of disordered carbon is significantly less in the low-pressure samples. Furthermore, the yield of the deposit was found to be independent of the pressure. These results suggest that the physical properties of MWCNTs formed by the submerged arc can be controlled by varying the pressure.

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