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Article

Single-Walled Carbon Nanotube Synthesis Yield Variation in a Horizontal Chemical Vapor Deposition Reactor

Department of Advanced Materials Science and Engineering, Kangwon National University, Chuncheon 24341, Gangwon-do, Korea
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Author to whom correspondence should be addressed.
Academic Editors: Marius Dobrmir and Nikos Tagmatarchis
Nanomaterials 2021, 11(12), 3293; https://doi.org/10.3390/nano11123293
Received: 21 October 2021 / Revised: 25 November 2021 / Accepted: 2 December 2021 / Published: 4 December 2021
(This article belongs to the Section Inorganic Materials and Metal-Organic Frameworks)
The controlled synthesis of single-walled carbon nanotubes (SWNTs) is essential for their industrial application. This study investigates the synthesis yield of SWNTs, which depends on the positions of the samples on a horizontal chemical vapor deposition (CVD) system. Methane and Fe thin films were used as the feedstock and catalyst for SWNTs synthesis, respectively. A high-resolution scanning electron microscope was used to examine the synthesis yield variation of the SWNTs along the axial distance of the reactor. The morphology and crystallinity of the fabricated SWNTs were evaluated by atomic force microscopy and Raman spectroscopy, respectively. We observed that the highest synthesis yield of the SWNTs was obtained in the rear region of the horizontal reactor, and not the central region. These results can be applied to the synthesis of various low-dimensional nanomaterials, such as semiconducting nanowires and transition metal dichalcogenides, especially when a horizontal CVD chamber is used. View Full-Text
Keywords: single-walled carbon nanotubes; synthesis yield; horizontal CVD; methane; Raman spectroscopy single-walled carbon nanotubes; synthesis yield; horizontal CVD; methane; Raman spectroscopy
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MDPI and ACS Style

Jo, S.-I.; Jeong, G.-H. Single-Walled Carbon Nanotube Synthesis Yield Variation in a Horizontal Chemical Vapor Deposition Reactor. Nanomaterials 2021, 11, 3293. https://doi.org/10.3390/nano11123293

AMA Style

Jo S-I, Jeong G-H. Single-Walled Carbon Nanotube Synthesis Yield Variation in a Horizontal Chemical Vapor Deposition Reactor. Nanomaterials. 2021; 11(12):3293. https://doi.org/10.3390/nano11123293

Chicago/Turabian Style

Jo, Sung-Il, and Goo-Hwan Jeong. 2021. "Single-Walled Carbon Nanotube Synthesis Yield Variation in a Horizontal Chemical Vapor Deposition Reactor" Nanomaterials 11, no. 12: 3293. https://doi.org/10.3390/nano11123293

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