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Shunsuke Sakurai, Masayasu Inaguma, Don N. Futaba, Motoo Yumura and Kenji Hata Diameter and Density Control of Single-Walled Carbon Nanotube Forests by Modulating Ostwald Ripening through Decoupling the Catalyst Formation and Growth Processes Small 9

Version of Record online: 26 APR 2013 | DOI: 10.1002/smll.201300223

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A continuous and wide range control of the diameter of single-walled carbon nanotube (SWNT) forests is demonstrated by decoupling the catalyst formation and SWNT growth processes. The diameter and density are inversely correlated, where low/high density forests would consist of large/small diameter SWNTs, which is proposed as a general rule. The model for the catalyst formation process shows that the dominant mechanism is Ostwald ripening.

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