Self-assembling of multi-walled carbon nanotubes on a porous carbon surface by catalyst-free chemical vapor deposition |
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| Authors: | Jarrn-Horng Lin Ching-Shiun Chen Hui-Ling Ma Chia-Wei Chang Chen-Yin Hsu Hsiu-Wei Chen |
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| Affiliation: | aDepartment of Materials Science, National University of Tainan, 33, Section 2, Shu-Lin Street, Tainan 700, Taiwan, ROC;bCenter for General Education, Chang Gung University, 259 Wen-Hwa 1st Road, Kwei-shan, Tao-Yuan 333, Taiwan, ROC;cDepartment of Chemistry and Center for Nanoscience and Nanotechnology, National Sun Yat-sen University, Kaohsiung 804, Taiwan, ROC |
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| Abstract: | Synthesis of carbon nanotubes (CNTs) by catalyst-free chemical vapor deposition (CFCVD) is one of the most important challenges in nanotube science. Self-assembling multi-walled CNTs (MWCNTs) were produced on a porous carbon surface using carbon black (CB) as a substrate, at 800 °C by the decomposition of diluted ethylene. MWCNTs with an outer-diameter distribution of 20–80 nm, examined by scanning and transmission electron microscopy, could be self-assembled on pore structures of CB surface by CFCVD. |
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