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

Published online by Cambridge University Press:  08 March 2011

Zheng Jia ,
Matthew B. Tucker  and
Teng Li
Zheng Jia
Affiliation:
Department of Mechanical Engineering, University of Maryland, College Park, MD 20742
Matthew B. Tucker
Affiliation:
Department of Mechanical Engineering, University of Maryland, College Park, MD 20742
Teng Li*
Affiliation:
Department of Mechanical Engineering, University of Maryland, College Park, MD 20742 Maryland NanoCenter, University of Maryland, College Park, MD 20742
*
*Email: [email protected]
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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.

Keywords

fracturethin filmadhesion
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1312: Symposium HH/II/JJ – Polymer-Based Materials and Composites—Synthesis, Assembly and Applications , 2011 , mrsf10-1312-ii05-08
Copyright
Copyright © Materials Research Society 2011

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