Reversibly bonded nanocapillaries by electrostatic forces

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Abstract

Reversibly bonded nanocapillaries (500 - 50 nm) were fabricated on gold and silicon substrates using electrostatic forces that can be generated on a rigiflex mold upon removal from an original, engraved silicon master. Polyethylene glycol diacrylate (PEG-DA) was used as a rigiflex mold material with highly negative surface charges (zeta potential: -113.55 mW). The rigiflex, transparent PEG-DA mold spontaneously wets gold or silicon substrate via electrostatic attraction, forming reversibly bonded nanocapillaries without any surface modifications or external stimuli. Using these nanocapillaries, nanolines or nanowells were fabricated without residual layer along with one-dimensional arrays of single-walled carbon nanotubes (SWCNTs) and gold nanoparticles.

Original languageEnglish
Title of host publicationProceedings of the 2nd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2007
Pages890-894
Number of pages5
DOIs
StatePublished - 2007
Event2007 2nd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2007 - Bangkok, Thailand
Duration: 16 Jan 200719 Jan 2007

Publication series

NameProceedings of the 2nd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2007

Conference

Conference2007 2nd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2007
Country/TerritoryThailand
CityBangkok
Period16/01/0719/01/07

Keywords

  • Electrostatic forces
  • Of single-walled carbon nanotubes (SWCNTs)
  • Reversibly bonded nanocapillaries
  • Rigiflex mold

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