Evaporation induced two-dimensional buckling within liquid droplet

Ziguang Chen, Maozi Liu, Gang-yu Liu, Li Tan

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Evaporation of a liquid droplet containing a thin layer of surfactants atop could generate two-dimensional buckling on surfaces. Herringbone features were produced via embedded nanoparticle beds. We assign transient surface tension as the driving force for such a phenomenon. Considering the surfactant layer as a thin elastic film, a continuum model is employed to calculate the mechanical properties of the layer. Particularly, we estimated an elastic modulus of 4 GPa for the surfactant layer, indicating rather strong mechanical properties of these small molecules when they are close packed to form supramolecules via noncovalent binding.

Original languageEnglish (US)
Article number223104
JournalApplied Physics Letters
Volume95
Issue number22
DOIs
StatePublished - 2009

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buckling
evaporation
surfactants
liquids
mechanical properties
beds
modulus of elasticity
interfacial tension
continuums
nanoparticles
molecules

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Evaporation induced two-dimensional buckling within liquid droplet. / Chen, Ziguang; Liu, Maozi; Liu, Gang-yu; Tan, Li.

In: Applied Physics Letters, Vol. 95, No. 22, 223104, 2009.

Research output: Contribution to journalArticle

Chen, Ziguang ; Liu, Maozi ; Liu, Gang-yu ; Tan, Li. / Evaporation induced two-dimensional buckling within liquid droplet. In: Applied Physics Letters. 2009 ; Vol. 95, No. 22.
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