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Synthesis of well-aligned carbon nanotubes with open tips |
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| Authors: | BC Liu TJ Lee CY Park YH Choa |
| Affiliation: | a Department of Nanotechnology, Hanyang University, 17 Haengdang-dong, Seongdong-gu, Seoul 133-791, South Korea b Center for Nanotubes and Nanostructured Composites, Sungkyunkwan University, Suwon 440-746, South Korea c Department of Physics, Sungkyunkwan University, Suwon 440-746, South Korea d Department of Chemical Engineering, Hanyang University, Ansan 425-791, South Korea |
| Abstract: | Large amounts of well-aligned carbon nanotubes (CNTs) with open tips have been produced by pyrolysis of iron(II) phthalocyanine. The aligned CNTs have an average length about 10 μm and diameters ranging from 92 to 229 nm. Some of produced CNTs showed Y-junction structure due to the self-joint growth of two neighboring CNTs. The well-aligned CNTs indicated a bamboo-shaped multiwalled structure and fairly good crystallinity. The aligned CNTs follow tip growth mechanism. |
| Keywords: | Carbon nanotubes Scanning electron microscopy Transmission electron microscopy |
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