Research Article

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2012, 5(9): 640–645

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https://doi.org/10.1007/s12274-012-0249-7

Facile Preparation of Carbon Nanotubes and Graphene Sheets by a Catalyst-Free Refluxing Approach

Jinyong Wang, Li Wei, Fei Peng, and Yan Li ()

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Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, Key Laboratory for the Physics and Chemistry of Nanodevices, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China

Keywords: KEYWORDS Carbon nanotubes, graphene sheets, catalyst free synthesis, refluxing
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ABSTRACT A facile catalyst-free one-step approach for the preparation of carbon nanotubes and graphene sheets at ambient pressure and ~ 230 oC has been developed. Carbon nanotubes and graphene sheets are prepared by reducing tetrachloroethylene with sodium in paraffin oil under reflux. The as-prepared products can be easily purified just by washing with common solvents. No metallic contaminants or other impurities exist in the products. The products show unique optical properties and may find various applications such as optical light attenuators and catalyst supports. This high yield and economical process presents a possible strategy for the large-scale production of carbon nanotubes and graphene sheets for future applications.
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Facile Preparation of Carbon Nanotubes and Graphene Sheets by a Catalyst-Free Refluxing Approach. Nano Res. 2012, 5(9): 640–645 https://doi.org/10.1007/s12274-012-0249-7

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