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Upscaling potential of the CVD stacking growth method to produce dimensionally-controlled and catalyst-free multi-walled carbon nanotubes

Multi-walled CNTs (MWCNTs) with structural characteristics optimised for bio-applications have been produced using a catalyst-supported chemical vapour deposition (CVD) method. The upscale potential of the process was demonstrated by combining classical semi-continuous and stacked-growth modes. The...

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Published in:	Carbon (New York) 2012-08, Vol.50 (10), p.3585-3606
Main Authors:	Mata, D., Silva, R.M., Fernandes, A.J.S., Oliveira, F.J., Costa, P.M.F.J., Silva, R.F.
Format:	Article
Language:	English
Subjects:	Carbon Catalysis Catalysts Chemical vapor deposition Chemistry Cross-disciplinary physics: materials science rheology Exact sciences and technology Fullerenes and related materials diamonds, graphite General and physical chemistry Materials science Multi wall carbon nanotubes Physics Purification Specific materials Stacking Strata Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
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creator	Mata, D. Silva, R.M. Fernandes, A.J.S. Oliveira, F.J. Costa, P.M.F.J. Silva, R.F.
description	Multi-walled CNTs (MWCNTs) with structural characteristics optimised for bio-applications have been produced using a catalyst-supported chemical vapour deposition (CVD) method. The upscale potential of the process was demonstrated by combining classical semi-continuous and stacked-growth modes. The vertically aligned MWCNT films thus obtained were multi-layered with five continuous strata of well-structured nanotubes. Following gentle disentanglement, the stacks were converted to individual MWCNTs with short dimensions (a final length and diameter of ∼1.2μm and ∼12nm) and almost catalyst-free (
doi_str_mv	10.1016/j.carbon.2012.03.030
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subjects	Carbon Catalysis Catalysts Chemical vapor deposition Chemistry Cross-disciplinary physics: materials science rheology Exact sciences and technology Fullerenes and related materials diamonds, graphite General and physical chemistry Materials science Multi wall carbon nanotubes Physics Purification Specific materials Stacking Strata Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
title	Upscaling potential of the CVD stacking growth method to produce dimensionally-controlled and catalyst-free multi-walled carbon nanotubes
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