Fast Fabrication of Nanostructured Arrays

  • Author: ChemistryViews
  • Published: 18 December 2010
  • Copyright: Wiley-VCH Verlag GmbH & Co. KGaA
  • Source / Publisher: Small/Wiley-VCH
thumbnail image: Fast Fabrication of Nanostructured Arrays

Wet-processing techniques are preferable to vacuum-based ones for producing organic-based nanostructures because of lower costs and higher versatility. One problem with current wet techniques is ensuring homogeneity over large areas in reasonable times and at acceptable costs.

Alessandro Fraleoni-Morgera, Sincrotrone Trieste, Italy, has developed a wet-processing method for the creation of large-area, ordered arrays of organic-material-based nanostructures. The technique, named auxiliary solvent-based sublimation-aided nanostructuring (ASB-SANS), required no special measures regarding handling and purity of the substrates, target materials or solvent.

The process involves dissolving an organic crystal that can sublimate and the target material in a low boiling solvent. Evaporation and sublimation remove the template, leaving arrays of nanofibers, connected or isolated depending on the ratio of starting material, on the substrate. Large, proof-of-concept patterns were produced within minutes.

Images: (c) Wiley-VCH

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