Nanofluidics in carbon nanotubes

Aleksandr Noy, Hyung Gyu Park, Francesco Fornasiero, Jason K. Holt, Costas P. Grigoropoulos, Olgica Bakajin

Research output: Contribution to journalArticlepeer-review

299 Scopus citations


Extremely high aspect ratios, molecularly smooth hydrophobic graphitic walls, and nanoscale inner diameters of carbon nanotubes give rise to the unique phenomenon of ultra-efficient transport of water and gas through these ultra-narrow molecular pipes. Water and gas molecules move through nanotube pores orders of magnitude faster than through other pores of comparable size. The proposed water transport mechanism has a distinct similarity to the transport mechanisms of biological ion channels. Molecular dynamics simulations and experimental measurements of water transport underscore the importance of nanotube structure in enabling ultra-efficient transport through the pore.

Original languageEnglish (US)
Pages (from-to)22-29
Number of pages8
JournalNano Today
Issue number6
StatePublished - Dec 2007
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science(all)
  • Biotechnology


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