Production of bamboo-type carbon nanotubes doped with nitrogen from polyamide pyrolysis gas

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Title: Production of bamboo-type carbon nanotubes doped with nitrogen from polyamide pyrolysis gas
Authors: Arnaiz Arnaiz, Noelia | Martín Gullón, Ignacio | Font, Rafael | Gómez-Rico, María Francisca
Research Group/s: Residuos, Energía, Medio Ambiente y Nanotecnología (REMAN)
Center, Department or Service: Universidad de Alicante. Departamento de Ingeniería Química
Keywords: BCNTs | Chemical vapor deposition | Polyamide 6.6 | Pyrolysis
Knowledge Area: Ingeniería Química
Issue Date: Mar-2018
Publisher: Elsevier
Citation: Journal of Analytical and Applied Pyrolysis. 2018, 130: 52-61. doi:10.1016/j.jaap.2018.01.027
Abstract: Bamboo-type carbon nanotubes (BCNTs) doped with nitrogen were produced by catalytic chemical vapor deposition from the effluent gases resulting from pyrolysis of polyamide 6.6. This polymer provides the carbon and nitrogen source and allows to obtain enough hydrogen during its decomposition for the carbon nanotubes (CNTs) production without prior catalyst reduction. The influence of pyrolysis and growth temperatures was studied in order to obtain the best quality CNTs. Transmission electron microscopy, X-ray diffraction, and Raman spectrometry showed that the best results were obtained at 900 °C pyrolysis temperature and 750 °C growth temperature, since the presence of amorphous carbon was negligible and the best crystalline degree was obtained. These BCNTs had from 5 to 20 layers and their arcs of bamboo-like compartments had from 3 to 15 layers. They had 20 nm in diameter and lengths typically on the order of micrometers.
Sponsor: This work was supported by the Spanish Ministry of Science and Innovation [CTQ 2008-05520 project], the Spanish Ministry of Economy, Industry and Competitiveness [CTQ 2013-44213-R project] and the Valencian Community Government (Spain) [Prometeo/2009/043/FEDER and PrometeoII/2014/007 projects].
ISSN: 0165-2370 (Print) | 1873-250X (Online)
DOI: 10.1016/j.jaap.2018.01.027
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2018 Elsevier B.V.
Peer Review: si
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Appears in Collections:INV - REMAN - Artículos de Revistas

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