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  Conductance-strain behavior in silver-nanowire composites: network properties of a tunable strain sensor

Glier, T. E., Betker, M., Grimm-Lebsanft, B., Scheitz, S., Matsuyama, T., Akinsinde, L. O., et al. (2021). Conductance-strain behavior in silver-nanowire composites: network properties of a tunable strain sensor. Nanotechnology, 32(36): 365701. doi:10.1088/1361-6528/ac04a4.

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https://dx.doi.org/10.1088/1361-6528/ac04a4 (Publisher version)
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 Creators:
Glier, T. E.1, 2, Author
Betker, M.1, 2, Author
Grimm-Lebsanft, B.1, 2, Author
Scheitz, S.1, 2, Author
Matsuyama, T.3, Author              
Akinsinde, L. O.1, 2, Author
Rübhausen, M.1, 2, Author
Affiliations:
1Institut für Nanostruktur- und Festkörperphysik, Universität Hamburg, ou_persistent22              
2Center for Free Electron Laser Science (CFEL), ou_persistent22              
3Ultrafast Electronics, Scientific Service Units, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2074323              

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 Abstract: Highly flexible and conductive nano-composite materials are promising candidates for stretchable and flexible electronics. We report on the strain–resistance relation of a silver-nanowire photopolymer composite during repetitive stretching. Resistance measurements reveal a gradual change of the hysteretic resistance curves towards a linear and non-hysteretic behavior. Furthermore, a decrease in resistance and an increase in electrical sensitivity to strain over the first five stretching cycles can be observed. Sensitivity gauge factors between 10 and 500 at 23% strain were found depending on the nanowire concentration and stretching cycle. We model the electrical behavior of the investigated silver nanowire composites upon repetitive stretching considering the strain induced changes in the local force distribution within the polymer matrix and the tunnel resistance between the nanowires by using a Monte Carlo method.

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Language(s): eng - English
 Dates: 2021-04-162021-03-022021-05-232021-06-142021-09-03
 Publication Status: Published in print
 Pages: -
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 Rev. Type: Peer
 Identifiers: DOI: 10.1088/1361-6528/ac04a4
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Title: Nanotechnology
  Abbreviation : Nanotechnology
Source Genre: Journal
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Publ. Info: Bristol, UK : IOP Pub.
Pages: - Volume / Issue: 32 (36) Sequence Number: 365701 Start / End Page: - Identifier: ISSN: 0957-4484
CoNE: https://pure.mpg.de/cone/journals/resource/954925577042