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Journal of Nanoparticle Research

, Volume 7, Issue 2–3, pp 301–306 | Cite as

High resolution print-patterning of a nano-suspension

  • D. Z. Wang
  • S. N. Jayasinghe
  • M. J. Edirisinghe
Brief communication

Abstract

In this paper we report a breakthrough in accurately print-patterning features from a nano-suspension. Twenty nanometer size equiaxed silica particles dispersed in a liquid medium were subjected to electrohydrodynamic forces and the type of jetting observed was mapped over a pico to femto flow rate regime-electric field parametric space. In the stable cone-jet mode, ∼60 μm features are patterned using a unique but simple, computer-controlled device. By reducing the flow rate by a further three orders of magnitude, a fine jet can be generated instantaneously and we are able to exploit this and accurately position ∼13 μm diameter equiv-spaced droplet-relics, which contain a dense assembly of the nanoparticles. We also demonstrate drawing of ∼17 μm wide lines of the nano-suspension.

Keywords

nanoparticles nano-suspensions printing patterning electrohydrodynamic atomization 

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Copyright information

© Springer 2005

Authors and Affiliations

  • D. Z. Wang
    • 1
  • S. N. Jayasinghe
    • 1
  • M. J. Edirisinghe
    • 1
  1. 1.Department of MaterialsQueen Mary University of LondonLondonUK

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