Jump to main content
Jump to site search

Issue 28, 2016
Previous Article Next Article

Finite-size scaling in silver nanowire films: design considerations for practical devices

Author affiliations

Abstract

We report the first application of finite-size scaling theory to nanostructured percolating networks, using silver nanowire (AgNW) films as a model system for experiment and simulation. AgNWs have been shown to be a prime candidate for replacing Indium Tin Oxide (ITO) in applications such as capacitive touch sensing. While their performance as large area films is well-studied, the production of working devices involves patterning of the films to produce isolated electrode structures, which exhibit finite-size scaling when these features are sufficiently small. We demonstrate a generalised method for understanding this behaviour in practical rod percolation systems, such as AgNW films, and study the effect of systematic variation of the length distribution of the percolating material. We derive a design rule for the minimum viable feature size in a device pattern, relating it to parameters which can be derived from a transmittance–sheet resistance data series for the material in question. This understanding has direct implications for the industrial adoption of silver nanowire electrodes in applications where small features are required including single-layer capacitive touch sensors, LCD and OLED display panels.

Graphical abstract: Finite-size scaling in silver nanowire films: design considerations for practical devices

Back to tab navigation

Supplementary files

Publication details

The article was received on 16 May 2016, accepted on 26 Jun 2016 and first published on 27 Jun 2016


Article type: Paper
DOI: 10.1039/C6NR03960J
Citation: Nanoscale, 2016,8, 13701-13707
  • Open access: Creative Commons BY license
  •   Request permissions

    Finite-size scaling in silver nanowire films: design considerations for practical devices

    M. J. Large, M. Cann, S. P. Ogilvie, A. A. K. King, I. Jurewicz and A. B. Dalton, Nanoscale, 2016, 8, 13701
    DOI: 10.1039/C6NR03960J

    This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. Material from this article can be used in other publications provided that the correct acknowledgement is given with the reproduced material.

    Reproduced material should be attributed as follows:

    • For reproduction of material from NJC:
      [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the Centre National de la Recherche Scientifique (CNRS) and the RSC.
    • For reproduction of material from PCCP:
      [Original citation] - Published by the PCCP Owner Societies.
    • For reproduction of material from PPS:
      [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the European Society for Photobiology, the European Photochemistry Association, and RSC.
    • For reproduction of material from all other RSC journals:
      [Original citation] - Published by The Royal Society of Chemistry.

    Information about reproducing material from RSC articles with different licences is available on our Permission Requests page.

Search articles by author

Spotlight

Advertisements