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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.137 SNIP: 0.341 CiteScore™: 0.43

ISSN Печать: 1093-3611
ISSN Онлайн: 1940-4360

Выпуски:
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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.v14.i1-2.90
pages 101-117

THE EFFECT OF DIFFERENT TYPES OF CARBON BLACK ON THE PRODUCTION OF SINGLE-WALLED CARBON NANOTUBES BY THE INDUCTION THERMAL PLASMA METHOD

Yasaman Alinejad
Department of Chemical Engineering, Université de Sherbrooke, Blvd. de l 'Université, Sherbrooke
Ali Shahverdi
Department of Chemical Engineering, Université de Sherbrooke, Blvd. de l 'Université, Sherbrooke
Keun Su Kim
Dept. of Chemical Engineering, Universite de Sherbrooke, Blvd. de l'Université, Sherbrooke, J1K2R1
Gervais Soucy
Department of Chemical Engineering, Université de Sherbrooke. 2500 Blvd. de l'Université, Sherbrooke, J1K 2R1

Краткое описание

Due to their exceptional properties, large amounts of single-walled carbon nanotubes (SWCNTs) have been increasingly used in a wide range of applications, and consequently, the economical production of high quality SWCNT is becoming a matter of major concerns. For this reason, carbon black is getting increasingly popular as a carbon source in SWCNT productions, principally because of its relatively low-cost and good market availability [ 1,2]. In this work, SWCNTs have been synthesized using eight different grades of carbon blacks in order to investigate the effects of the carbon black structure and its impurity content, on the SWCNT formation, when utilized in the newly developed RF induction thermal plasma process [2]. In the synthesis experiment, the SWCNTs are produced by the direct evaporation of a mixture of carbon black and catalysts (i.e., a ternary mixture consisting of Ni, Co, and Y2O3) inside the plasma plume [2]. The properties of the raw materials and products have been studied by the means of many characterization techniques such as, X-ray diffraction and Raman spectroscopy. Thermodynamic equilibrium compositions of the mixture of the carbon black and the catalysts used as a feedstock were also calculated theoretically to obtain a better understanding of the effects of carbon black grades on SWCNT production. Both the experimental and theoretical results show that the physico-chemical properties of the carbon blacks such as particle size, sulphur content, and grain size, all have significant effects on the quality of the SWCNT produced. However, they seem to have a negligible effect on the diameter distribution of the SWCNT.


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