SYNTHESIS AND CHARACTERIZATION OF VERTICALLY ALIGNED CARBON NANOTUBES BY CHEMICAL VAPOR DEPOSITION (CVD)

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MAKENALI M.; NAKHAEE BADRABADI M.; AJEIAN R.

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Paper Information

Journal: JOURNAL OF COLOR SCIENCE AND TECHNOLOGY Year:2013 | Volume:6 | Issue:4 Page(s): 303-311

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Title

SYNTHESIS AND CHARACTERIZATION OF VERTICALLY ALIGNED CARBON NANOTUBES BY CHEMICAL VAPOR DEPOSITION (CVD)

Author(s)

MAKENALI M. | NAKHAEE BADRABADI M. | AJEIAN R. | Issue Writer Certificate

Keywords

CARBON NANOTUBESQ1

CO-CATALYST THICKNESSQ2

GROWTH TIMEQ2

SCANNING ELECTRON MICROSCOPYQ2

RAMAN SPECTROSCOPYQ3

Abstract

In this study, the effect of Co catalyst thickness, GROWTH TIME, Al- blocking layer and carrier gas (Ar) on growth of CNTs upon Si substrate using ethanol as carbon source by chemical vapor deposition (CVD) was investigated; the thickness of Co film and GROWTH TIME were varied from 1 to 10 nm and 10 to 120 min respectively. Structural information of CNTs, morphology and size distribution of catalysts were studied by SCANNING ELECTRON MICROSCOPY (SEM) and RAMAN SPECTROSCOPY. It was found that grain size of Co nano-particles and density and alignment of CNTs depend on thickness of Co film. Vertically aligned CNTs have been grown on 1 and 5 nm Co films and by increasing Co thickness to 7 and 10 nm, spaghetti-like structure of CNTs is observed. By increasing the GROWTH TIME from 10 to 100 min, the density of spaghetti structure is increased, and results of this study show that Co poisoning and CNT burning occur for GROWTH TIMEs more than 100 min. In absence of Al layer no CNT growth was observed and without carrier gas during ethanol feed into CVD chamber, low density of CNTs with spaghetti-like structure was seen.

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APA: Copy

MAKENALI, M., NAKHAEE BADRABADI, M., & AJEIAN, R.. (2013). SYNTHESIS AND CHARACTERIZATION OF VERTICALLY ALIGNED CARBON NANOTUBES BY CHEMICAL VAPOR DEPOSITION (CVD). JOURNAL OF COLOR SCIENCE AND TECHNOLOGY, 6(4), 303-311. SID. https://sid.ir/paper/137160/en

Vancouver: Copy

MAKENALI M., NAKHAEE BADRABADI M., AJEIAN R.. SYNTHESIS AND CHARACTERIZATION OF VERTICALLY ALIGNED CARBON NANOTUBES BY CHEMICAL VAPOR DEPOSITION (CVD). JOURNAL OF COLOR SCIENCE AND TECHNOLOGY[Internet]. 2013;6(4):303-311. Available from: https://sid.ir/paper/137160/en

IEEE: Copy

M. MAKENALI, M. NAKHAEE BADRABADI, and R. AJEIAN, “SYNTHESIS AND CHARACTERIZATION OF VERTICALLY ALIGNED CARBON NANOTUBES BY CHEMICAL VAPOR DEPOSITION (CVD),” JOURNAL OF COLOR SCIENCE AND TECHNOLOGY, vol. 6, no. 4, pp. 303–311, 2013, [Online]. Available: https://sid.ir/paper/137160/en

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