Sacrificial layer and supporting layer techniques for the fabrication of ultra-thin free-standing PEDOT: PSS nanosheets

Francesco Greco, Alessandra Zucca, Silvia Taccola, Arianna Menciassi, Paolo Dario, Virgilio Mattoli

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

Aim of this work was to realize free-standing conductive nanofilms having very large surface area with typical nano-scale thickness (40-120 nm) by modifying existing approaches for nanostructured thin films assembly. We tested and optimized two different fabrication methods for the obtainment of free-standing conductive ultra-thin nanosheets based on the conductive polymer poly(3,4-ethylenedioxythiophene)/poly(styrene sulfonate) (PEDOT:PSS). Supporting Layer and Sacrificial Layer techniques permitted the obtainment of single layer nanofilms that can be released in water and of LbL multilayer nanosheets (PEDOT:PSS/Polyelectrolytes) that can be released in acetone, respectively. Here we describe the details of both the proposed fabrication methods and compare the properties of the realized nanosheets in terms of thickness, contact angle and conductivity. Interestingly, the realized free-standing nanosheets, despite their low thickness, are very robust and compliant while maintaining their structure and functionality. Possible applications are foreseen in the field of sensing and actuation, as well as in the biomedical field, e.g. as smart conductive substrates for cell culturing and stimulation.

Original languageEnglish
Title of host publicationMultifunctional Polymer-Based Materials
Pages253-258
Number of pages6
Volume1403
DOIs
Publication statusPublished - 2012
Externally publishedYes
Event2011 MRS Fall Meeting - Boston, MA
Duration: 2011 Nov 282011 Dec 3

Other

Other2011 MRS Fall Meeting
CityBoston, MA
Period11/11/2811/12/3

Fingerprint

Nanosheets
sulfonates
Fabrication
fabrication
Styrene
polystyrene
cell culturing
stimulation
actuation
acetone
Acetone
assembly
Polyelectrolytes
Contact angle
conductivity
Polymers
Multilayers
polymers
thin films
Thin films

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering
  • Mechanics of Materials

Cite this

Greco, F., Zucca, A., Taccola, S., Menciassi, A., Dario, P., & Mattoli, V. (2012). Sacrificial layer and supporting layer techniques for the fabrication of ultra-thin free-standing PEDOT: PSS nanosheets. In Multifunctional Polymer-Based Materials (Vol. 1403, pp. 253-258) https://doi.org/10.1557/opl.2012.252

Sacrificial layer and supporting layer techniques for the fabrication of ultra-thin free-standing PEDOT : PSS nanosheets. / Greco, Francesco; Zucca, Alessandra; Taccola, Silvia; Menciassi, Arianna; Dario, Paolo; Mattoli, Virgilio.

Multifunctional Polymer-Based Materials. Vol. 1403 2012. p. 253-258.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Greco, F, Zucca, A, Taccola, S, Menciassi, A, Dario, P & Mattoli, V 2012, Sacrificial layer and supporting layer techniques for the fabrication of ultra-thin free-standing PEDOT: PSS nanosheets. in Multifunctional Polymer-Based Materials. vol. 1403, pp. 253-258, 2011 MRS Fall Meeting, Boston, MA, 11/11/28. https://doi.org/10.1557/opl.2012.252
Greco F, Zucca A, Taccola S, Menciassi A, Dario P, Mattoli V. Sacrificial layer and supporting layer techniques for the fabrication of ultra-thin free-standing PEDOT: PSS nanosheets. In Multifunctional Polymer-Based Materials. Vol. 1403. 2012. p. 253-258 https://doi.org/10.1557/opl.2012.252
Greco, Francesco ; Zucca, Alessandra ; Taccola, Silvia ; Menciassi, Arianna ; Dario, Paolo ; Mattoli, Virgilio. / Sacrificial layer and supporting layer techniques for the fabrication of ultra-thin free-standing PEDOT : PSS nanosheets. Multifunctional Polymer-Based Materials. Vol. 1403 2012. pp. 253-258
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