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Concomitant Channel Cracking and Interfacial Delamination in Polymer/Oxide Nano Hybrid Permeation Barriers in Flexible Electronics

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Abstract

Polymer/oxide nano hybrid multilayer permeation barriers are emerging as a promising solution to the stringent barrier requirement of flexible electronics. Yet the mechanical failure of the multilayer permeation barriers could be fatal to their barrier performance. We study two co-evolving failure mechanisms of the multilayer permeation barriers under tension, namely, the cracking of the inorganic oxide layer and the delamination along the oxide-organic interface, using computational modeling. An effective driving force for the oxide layer cracking is determined, which decreases as the oxide-organic interfacial adhesion increases.

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Authors and Affiliations

  1. Department of Mechanical Engineering, University of Maryland, 20742, College Park, MD, USA

    Zheng Jia, B. Tucker Matthew & Teng Li

  2. Maryland NanoCenter, University of Maryland, 20742, College Park, MD, USA

    Teng Li

Authors
  1. Zheng Jia
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  2. B. Tucker Matthew
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  3. Teng Li
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Correspondence to Teng Li.

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Jia, Z., Matthew, B.T. & Li, T. Concomitant Channel Cracking and Interfacial Delamination in Polymer/Oxide Nano Hybrid Permeation Barriers in Flexible Electronics. MRS Online Proceedings Library 1312, 508 (2011). https://doi.org/10.1557/opl.2011.202

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  • DOI: https://doi.org/10.1557/opl.2011.202

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