NDLI: A sweet spot for highly efficient growth of vertically aligned single-walled carbon nanotube forests enabling their unique structures and properties.

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A sweet spot for highly efficient growth of vertically aligned single-walled carbon nanotube forests enabling their unique structures and properties.

Content Provider	Semantic Scholar
Author	Chen, Guo Hai Davis, Robert C. Futaba, Don N. Sakurai, Shunsuke Kobashi, Kazufumi Yumura, Motoo Hata, Kenji
Copyright Year	2016
Abstract	We investigated the correlation between growth efficiency and structural parameters of single-walled carbon nanotube (SWCNT) forests and report the existence of a SWCNT "sweet spot" in the CNT diameter and spacing domain for highly efficient synthesis. Only within this region could SWCNTs be grown efficiently. Through the investigation of the growth rates for ∼340 CNT forests spanning diameters from 1.3 to 8.0 nm and average spacing from 5 to 80 nm, this "sweet spot" was found to exist because highly efficient growth was constrained by several mechanistic boundaries that either hindered the formation or reduced the growth rate of SWCNT forests. Specifically, with increased diameter SWCNTs transitioned to multiwalled CNTs (multiwall border), small diameter SWCNTs could only be grown at low growth rates (low efficiency border), sparse SWCNTs lacked the requirements to vertically align (lateral growth border), and high density catalysts could not be prepared (high catalyst density border). As a result, the SWCNTs synthesized within this "sweet spot" possessed a unique set of characteristics vital for the development applications, such as large diameter, long, aligned, defective, and high specific surface area.
Starting Page	424
Ending Page	428
Page Count	5
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.rsc.org/suppdata/c5/nr/c5nr05537g/c5nr05537g1.pdf
PubMed reference number	26619935v1
Alternate Webpage(s)	https://doi.org/10.1039/c5nr05537g
DOI	10.1039/c5nr05537g
Journal	Nanoscale
Volume Number	8
Issue Number	1
Language	English
Access Restriction	Open
Subject Keyword	Alignment DNA Breaks, Single-Stranded Diameter (qualifier value) Eighty Forests Nanotubes Nanotubes, Carbon lateral growth
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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