Synthesis of diameter controlled carbon nanotubes using self-assembled catalyst nanoparticles |
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Authors: | Ankur Baliyan Takahiro Fukuda Takashi Uchida Yoshikata Nakajima Tatsuro Hanajiri Toru Maekawa |
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Institution: | 1. Graduate School of Interdisciplinary New Science, Toyo University, 2100 Kujirai, Kawagoe, Saitama 350-8585, Japan;2. Bio-Nano Electronics Research Centre, Toyo University, 2100 Kujirai, Kawagoe, Saitama 350-8585, Japan |
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Abstract: | Vertically-aligned diameter-controlled carbon nanotubes (CNTs) are synthesised by the plasma enhanced chemical vapour deposition (PECVD) method using multi-layers of self-assembled catalytic ligand-coated iron oxide nanoparticles. We find that the mono-dispersed nanoparticles play a vital role for the production of diameter-controlled CNTs. A new growth model is also proposed based on the experimental results. The present results may make a great contribution to the development and design of mechanical, electronic and biomedical devices, in which diameter-controlled CNTs are utilised. |
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