Manipulation and microrheology of carbon nanotubes with laser-induced cavitation bubbles

P. A. Quinto-Su, X. H. Huang, S. R. Gonzalez-Avila, T. Wu, C. D. Ohl

Research output: Contribution to journalArticlepeer-review

39 Scopus citations


Multiwalled carbon nanotubes (MWCNT) are exposed to a transient and strong liquid jet flow created by a pair of differently sized laser-induced cavitation bubbles. The position and size of the bubbles are controlled with a spatial light modulator within a 15μm thick liquid gap. Depending on the tube's position with respect to this jet flow, rotation, translation, and a bending deformation is observed with a high-speed camera recording at up to 300000 frames per second. By measuring the decay time of the respective bending modes we determine the flexural rigidity of MWCNTs to be on the range of 0.45-4.06×10-19Nm2. The average diameter of the MWCNTs is 117.8±6.7nm with a thickness of 4.6±0.75nm, yielding a Young's modulus between 0.033-0.292 TPa.

Original languageEnglish (US)
Article number014501
JournalPhysical Review Letters
Issue number1
StatePublished - Jan 7 2010
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy


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