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Synthesis Optimization and Characterization of Nitrogen-Doped Bamboo-Shaped Carbon Nanotubes

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Nitrogen-doped bamboo-shaped carbon nanotubes (N-BCNT) were synthesized from butylamine using the catalytic chemical vapor deposition (CCVD) process. The carbon source was nitrogen content organic molecules, namely butylamine. Reaction conditions such as temperature, amount of carbon source and catalyst were optimized to produce high quality N-BCNT samples. The nitrogen content was measured by CHNS element analysis, while the butylamine conversion was calculated based on the weight of deposited carbon materials. The bamboo structure of the nanotubes was examined by high resolution transmission electron microscopy (HRTEM). Two different types of nitrogen incorporation forms, the pyridinic and the graphitic, were identified in the samples by X-ray photoelectron spectroscopy (XPS). The lattice defects were measured by Raman spectroscopy. The proportion of defect sites influenced by the nitrogen content which can be controlled by the synthesis temperature. The optimal conditions were identified for the economical synthesis of N-BCNTs with high nitrogen content for various applications.
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Keywords: BCNT; CCVD Synthesis; Carbon Source; Ni-Catalyst; Nitrogen Incorporation

Document Type: Research Article

Affiliations: Institute of Chemistry, University of Miskolc, Miskolc-Egyetemváros, 3515, Hungary

Publication date: January 1, 2019

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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