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Nanoscale Research Letters

, 11:510

First Online: 18 November 2016Received: 18 August 2016Accepted: 09 November 2016


Although many methods have been documented for carbon nanotube CNT synthesis, still, we notice many arguments, criticisms, and appeals for its optimization and process control. Industrial grade CNT production is urgent such that invention of novel methods and engineering principles for large-scale synthesis are needed. Here, we comprehensively review arc discharge AD and laser ablation LA methods with highlighted features for CNT production. We also display the growth mechanisms of CNT with reasonable grassroots knowledge to make the synthesis more efficient. We postulate the latest developments in engineering carbon feedstock, catalysts, and temperature cum other minor reaction parameters to optimize the CNT yield with desired diameter and chirality. The rate limiting steps of AD and LA are highlighted because of their direct role in tuning the growth process. Future roadmap towards the exploration of CNT synthesis methods is also outlined.

KeywordsCarbon nanotube synthesis Arc discharge Laser ablation Process control Optimization AbbreviationsADArc discharge

CNTCarbon nanotube

CVDChemical vapor deposition

DWCNTDouble-walled carbon nanotube

FECAForeign element catalytic agent

FWCNTFew-walled carbon nanotube

HETHigh-energy site

LALaser ablation

MWCNTMulti-walled carbon nanotube

PLAPPulsed laser ablation process



SWCNTSingle-walled carbon nanotube

TWCNTTriple-walled carbon nanotube

VACNTVertically aligned carbon nanotube



Electronic supplementary materialThe online version of this article doi:10.1186-s11671-016-1730-0 contains supplementary material, which is available to authorized users.

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Autor: Rasel Das - Zohreh Shahnavaz - Md. Eaqub Ali - Mohammed Moinul Islam - Sharifah Bee Abd Hamid


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