Micro-patterned nanoscale Au films on PMMA: fabrication and effect of PMMA dewetting on Au patterning

  • F. Ruffino
  • V. Torrisi
  • G. Marletta
  • M. G. Grimaldi
Article
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Abstract

Patterned metallic thin films have attracted a lot of attention, in recent years, due to their wide technological applications. On the basis of this fact, in the present work, we illustrate a simple, versatile, and low-cost methodology to prepare surface micro-patterns in nanoscale deposited Au films. The methodology is based on the following steps: (a) to perform nanoscale Au film depositions assisted by micrometric templates to obtain the deposited Au film micrometric patterned in specific and desired ways (micrometric squares, hexagons, …), and (b) by low-temperature thermal processes (<300 °C) to induce a dewetting process of the PMMA to guide specific patterning effects in the top nanoscale Au film. In this approach, the Au surface pattern order is established by the template confined deposition on a micrometric scale while the realization and control of the Au surface pattern is given by the control of the dewetting process of the underlaying substrate, without invoking high temperature thermal processes.

Keywords

Scanning Electron Microscopy Image PMMA PMMA Layer Dewetting Process Hole Width 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Notes

Acknowledgments

This work was supported by the Italian project PON01_01725 “Nuove tecnologie fotovoltaiche per sistemi intelligenti integrati in edifici”.

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • F. Ruffino
    • 1
    • 2
  • V. Torrisi
    • 3
  • G. Marletta
    • 3
  • M. G. Grimaldi
    • 1
    • 2
  1. 1.Dipartimento di Fisica ed AstronomiaUniversità di CataniaCataniaItaly
  2. 2.MATIS IMM-CNRCataniaItaly
  3. 3.Laboratory for Molecular Surface and Nanotechnology (LAMSUN), Department of Chemical SciencesUniversity of Catania and CSGICataniaItaly

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