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. 2013 Jul 2;6(7):2633–2641. doi: 10.3390/ma6072633

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© 2013 by the authors;

licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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(a) Plot of the yield versus the diameter of SWCNT; (b) Plot of the forest height versus the diameter of SWCNT; (c) A plot of the catalyst number density as a function of the SWCNT diameter. Dotted line represents an inverse cubic power law: $n = n_{0} {(d / d_{0})}^{- 3.4}$ , where n₀ = 2.2 × 10¹³ cm⁻² and d₀ is 1 nm. Inset shows the Plot of linear mass density as a function of diameter; (d) Plot of the individual SWCNT mass versus the catalyst volume. Dotted line represents a linear relationship with a slope of 2 × 10⁻¹⁶ g/nm³.

(a) Plot of the yield versus the diameter of SWCNT; (b) Plot of the forest height versus the diameter of SWCNT; (c) A plot of the catalyst number density as a function of the SWCNT diameter. Dotted line represents an inverse cubic power law: $n = n_{0} {(d / d_{0})}^{- 3.4}$ , where n₀ = 2.2 × 10¹³ cm⁻² and d₀ is 1 nm. Inset shows the Plot of linear mass density as a function of diameter; (d) Plot of the individual SWCNT mass versus the catalyst volume. Dotted line represents a linear relationship with a slope of 2 × 10⁻¹⁶ g/nm³.