INVESTIGATION OF H2/CH4 PLASMA COMPOSITION IN NONMAGNETIC GROWTH OF SINGLE-WALLED CARBON NANOTUBES BY PLASMA CHEMICAL VAPOR DEPOSITION

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GHORANNEVIS Z.; KATO T.; KANEKO T.; HATAKEYAMA R.

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Journal Paper

Paper Information

Journal: JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL) Year:2009 | Volume:2 | Issue:4 Page(s): 33-34

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Title

INVESTIGATION OF H2/CH4 PLASMA COMPOSITION IN NONMAGNETIC GROWTH OF SINGLE-WALLED CARBON NANOTUBES BY PLASMA CHEMICAL VAPOR DEPOSITION

Author(s)

GHORANNEVIS Z. | KATO T. | KANEKO T. | HATAKEYAMA R. | Issue Writer Certificate

Keywords

PCVD

CARBON NANOTUBE

NANOMAGNET

SINGLE-WALLED

Abstract

In situ plasma analysis was performed during the single-walled carbon nanotubes (SWNTs) growth from nonmagnetic catalysts with plasma chemical vapor deposition (PCVD). The system based on optical emission spectroscopy (OES) was dedicated for in situ diagnostics of PCVD processes. The SWNTs growth was performed for a various H2 flow rates with 50W of an radio frequency (RF) power. Nonmagnetic metal particles were found to have catalytic activity for the growth of SWNTs under a specific plasma condition. The plasma analysis revealed that the intensities of Ha and CH radicals remarkably increased and decreased by increasing the H2 flow rate, respectively. Based on the comparison between the growth condition of SWNTs and results of plasma analysis, it was found that the intensity ratio of CH/ Ha shows fairly similar tendency to the yield of SWNTs as a function of H2 flow rate, i.e. SWNTs could be grown from nonmagnetic catalysts only when CH/ Ha is high. This indicates that the intensity ratio of CH/ Ha could be useful to optimize the growth condition of SWNTs with Au catalyst.

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APA: Copy

GHORANNEVIS, Z., KATO, T., KANEKO, T., & HATAKEYAMA, R.. (2009). INVESTIGATION OF H₂/CH₄ PLASMA COMPOSITION IN NONMAGNETIC GROWTH OF SINGLE-WALLED CARBON NANOTUBES BY PLASMA CHEMICAL VAPOR DEPOSITION. JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), 2(4), 33-34. SID. https://sid.ir/paper/318534/en

Vancouver: Copy

GHORANNEVIS Z., KATO T., KANEKO T., HATAKEYAMA R.. INVESTIGATION OF H₂/CH₄ PLASMA COMPOSITION IN NONMAGNETIC GROWTH OF SINGLE-WALLED CARBON NANOTUBES BY PLASMA CHEMICAL VAPOR DEPOSITION. JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL)[Internet]. 2009;2(4):33-34. Available from: https://sid.ir/paper/318534/en

IEEE: Copy

Z. GHORANNEVIS, T. KATO, T. KANEKO, and R. HATAKEYAMA, “INVESTIGATION OF H₂/CH₄ PLASMA COMPOSITION IN NONMAGNETIC GROWTH OF SINGLE-WALLED CARBON NANOTUBES BY PLASMA CHEMICAL VAPOR DEPOSITION,” JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), vol. 2, no. 4, pp. 33–34, 2009, [Online]. Available: https://sid.ir/paper/318534/en

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