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Open AccessArticle

The Reduction Temperature Effect of Fe–Co/MgO Catalyst on Characteristics of Multi-Walled Carbon Nanotubes

School of Electrical Engineering, Korea University, Seoul 136-713, Korea
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Catalysts 2018, 8(9), 361; https://doi.org/10.3390/catal8090361
Received: 8 August 2018 / Revised: 22 August 2018 / Accepted: 25 August 2018 / Published: 28 August 2018
Diameters and crystallinity of multi-walled carbon nanotubes (MWCNTs) dependent on reduction temperature of the Fe–Co/MgO catalyst were investigated. MWCNTs were synthesized by catalytic chemical vapor depositing and the Fe–Co/MgO catalyst was fabricated by using a sol-gel method. According to Raman analysis, transmission electron microscopy and thermogravimetric analysis, the diameter distribution of MWCNTs was broadened with increasing reduction temperature of the Fe–Co/MgO catalyst and crystallinity was improved. The above results are attributed to an increased size and enhanced crystallinity of metal catalyst particles by increasing reduction temperature. View Full-Text
Keywords: CNT; metal catalyst; reduction temperature; diameter; crystallinity CNT; metal catalyst; reduction temperature; diameter; crystallinity
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Kim, P.; Lee, C.J. The Reduction Temperature Effect of Fe–Co/MgO Catalyst on Characteristics of Multi-Walled Carbon Nanotubes. Catalysts 2018, 8, 361.

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