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Knut Deppert

Knut Deppert

Professor

Knut Deppert

Nanoxerography: nanostructured deposition of aerosol particles by charge printing

Author

  • T.J. Krinke
  • Knut Deppert
  • Martin Magnusson
  • H. Fissan
  • Lars Samuelson

Summary, in English

A method has been developed to transfer complex charge patterns to flat substrate surfaces, allowing nanostructured deposition of nanoparticles from the gas phase. Comparable to soft lithography, a stamp made of poly(dimethysiloxane) (PDMS), covered with a metal layer, is pressed on the surface of a silicon oxide on silicon substrate. Due to contact charging negative or positive charges are transferred from the stamp to the substrate. The process allows to create patterns with feature sizes from the millimeter range down to the sub-100 nm range during one charging procedure. After the charging process, oppositely charged monodisperse aerosol nanoparticles are deposited on the charge patterns

Department/s

  • Solid State Physics

Publishing year

2002

Language

English

Publication/Series

7th International Conference on Nanometer-Scale Science and Technology and 21st European Conference on Surface Science

Document type

Conference paper

Publisher

Lund University

Topic

  • Condensed Matter Physics

Keywords

  • metal layer
  • positive charges
  • charging procedure
  • nanostructured deposition
  • nanoxerography
  • aerosol particles
  • charge printing
  • complex charge patterns
  • flat substrate surfaces
  • gas phase deposition
  • soft lithography
  • poly(dimethysiloxane)

Conference name

Proceedings of 7th International Conference on Nanometer-Scale Science and Technology and 21st European Conference on Surface Science (NANO-7/ECOSS-21)

Conference date

2002-06-24 - 2002-06-28

Conference place

Malmö, Sweden

Status

Published