A temperature window for the synthesis of single-walled carbon nanotubes by catalytic chemical vapor deposition of CH_4over Mo-Fe/MgO catalyst

OUYANG Yu; CHEN Li; LIU Qi-xinFANG Yana

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A temperature window for the synthesis of single-walled carbon nanotubes by catalytic chemical vapor deposition of CH_4over Mo-Fe/MgO catalyst

机译：A temperature window for the synthesis of single-walled carbon nanotubes by catalytic chemical vapor deposition of CH_4over Mo-Fe/MgO catalyst

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摘要

A temperature window of single-walled carbon nanotubes (SWCNTs) growth has been studied by Raman spectroscopy.The results presented when temperature lower than 750 °C, there were few SWCNTs formed, and when temperature higherthan 900 °C, mass amorphous carbons were formed in the SWCNTs bundles due to the self-decomposition of CH4. Thetemperature window of SWCNTs efficiently growth is between 800 and 900 °C, and the optimum growth temperature isabout 850 °C. These results were supported by transmission electron microscope images of samples formed under differenttemperature. The temperature window is important for large-scale production of SWCNTs by catalytic chemical vapordeposition method.

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来源
《Optoelectronics letters》 |2008年第2期|0096:1-0096:3|共3页
作者
OUYANG Yu; CHEN Li; LIU Qi-xinFANG Yana;
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作者单位

Department of Physics, Linyi Normal University, Shandong 276005,China;

Department of Applied Physics, College of Science, Shandong University of Science and Technology, Shandong 276005,China;

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原文格式 PDF
正文语种英语
中图分类光电子技术、激光技术;
关键词
temperature; window; vapor deposition;

A temperature window for the synthesis of single-walled carbon nanotubes by catalytic chemical vapor deposition of CH_4over Mo-Fe/MgO catalyst

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