Review on properties, dispersion and toxicology of carbon nanotubes

Khalid Saeed

Research output: Contribution to journalReview articlepeer-review

26 Citations (Scopus)

Abstract

Carbon nanotubes (CNTs) have the most intensely studied nanostructures because of their unique properties. There are two types of carbon nanotubes CNTs, single-walled carbon nanotubes (SWNTs) and multi-walled carbon nanotubes (MWNTs), prepared by chemical-vapour deposition (CVD), plasma enhanced chemical-vapour deposition, thermal chemical vapour deposition, Vapour phase growth, Arc discharge and Lasser ablation. Both single-walled carbon nanotubes (SWNTs) and multi-walled carbon nanotubes (MWNTs) possess high mechanical and electrical conductivity, ultra-light weight, high aspect ratio and have excellent chemical and thermal stabilities. They also possess semi- and metallic-conductive properties depending upon their chirality. This review focuses on progress toward functionalization (not only dispersed nanotube but also dramatically improve their solubility), preparation and purification, composites and the toxicity of the carbon nanotubes (CNTs). The functional groups attached to carbon nanotubes (CNTs) should react with polymers and improve the mechanical properties of the nanocomposites. Carbon nanotubes (CNTs) has significant application in pharmaceutical field such as drug delivery and nanomedicine, but the available literature also suggests that carbon nanotubes (CNTs) may have unusual toxicity and have more adverse effects than the same mass of nano size carbon and quartz.

Original languageEnglish
Pages (from-to)559-564
Number of pages6
JournalJournal of the Chemical Society of Pakistan
Volume32
Issue number4
Publication statusPublished - Aug 2010
Externally publishedYes

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