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| Preparation of Low-dimension Carbon Nanostructures via in-situ Catalytic Pyrolysis of Phenolic Resin |
| HU Qinghua1,2, WANG Xitang1, WANG Zhoufu1, CHEN Hao2 |
1.The State Key Laboratory Breeding Base of Refractories and Ceramics, Wuhan University of Science and Technology, Wuhan 430081
2.College of Chemistry and Environment Engineering, Jiujiang University, Jiujiang 332005 |
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Cite this article:
HU Qinghua WANG Xitang WANG Zhoufu CHEN Hao . Preparation of Low-dimension Carbon Nanostructures via in-situ Catalytic Pyrolysis of Phenolic Resin. Chin J Mater Res, 2012, 26(3): 302-308.
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Abstract Different low-dimension carbon nanostructures, such as onion-like carbon, bamboolike carbon and carbon nanotubes, were prepared via in-situ catalytic pyrolysis of phenolic resin with Ni(NO3)2·6H2O as catalytic precursor, and characterized by X-ray diffraction, field-emission scanning electron microscope and transmission electron microscopy. The results show that carbon nanotubes with a narrow diameter distribution are more easily formed in a compact mass by a well dispersed Ni catalyst when the molar ratio of Ni(NO3)2·6H2O to phenol is under 0.01. When the ratio of Ni(NO3)2·6H2O to phenol is 0.04 above, Ni catalyst were prone to be aggregated, leading to a widened diameter distribution and sparse growth of carbon nanotube. When the ratio reached to 0.10, a more serious catalytic aggregation was observed and no carbon nanotube was prepared. The possible mechanisms were proposed for the formation of onion-like carbon, bamboo-like carbon and the carbon nanotube.
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Received: 25 October 2011
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| Fund: Supported by National Natural Science Foundation of China No.50872098 and the Innovation Team Project from Nature Science Foundation of Hubei Province No.2009CDA050. |
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