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Mechanical Integrity of Hybrid Components used in Flexible Optoelectronic Devices

Published online by Cambridge University Press:  01 February 2011

Konstantinos A Sierros ,
Nicholas J Morris ,
J Stuart Abell ,
Darran R Cairns  and
Stephen N. Kukureka
Konstantinos A Sierros
Affiliation:
kostas.sierros@mail.wvu.edu, West Virginia University, Mechanical and Aerospace Engineering, West Virginia University, Engineering Sciences Building, Mechanical & Aerospace Engineering, Morgantown, WV, 26506, United States, 304 293 3111 x2310
Nicholas J Morris
Affiliation:
nmorris6@mix.wvu.edu, West Virginia University, Mechanical and Aerospace Engineering, Evansdale Campus, Morgantown, WV, 26506, United States
J Stuart Abell
Affiliation:
J.S.Abell@bham.ac.uk, University of Birmingham, Metallurgy and Materials, School of Engineering, Edgbaston, Birmingham, B15 2TT, United Kingdom
Darran R Cairns
Affiliation:
darran.cairns@mail.wvu.edu, West Virginia University, Mechanical and Aerospace Engineering, Evansdale Campus, Morgantown, WV, 26506, United States
Stephen N. Kukureka
Affiliation:
s.n.kukureka@bham.ac.uk, University of Birmingham, Metallurgy and Materials, School of Engineering, Edgbaston, Birmingham, B15 2TT, United Kingdom
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Abstract

Fabrication of truly flexible optoelectronic devices, such as flexible displays and flexible photovoltaics, is highly dependent on the mechanical integrity of individual thin inorganic/organic hybrid device components. A common feature of almost all thin composite film components for flexible optoelectronic applications is indium tin oxide (ITO) coated on polyester.

The mechanical mismatch of the ITO ceramic coating, a few tens of nm thick, with the polyester, either polyethylene terephthalate (PET) or polyethylene naphthalate (PEN), 125 ìm thick, causes the flexible functional structure to fail at moderately low strains under various, externally applied, stress states. It is therefore important to assess the mechanical integrity of such hybrid systems experimentally. We report on the electromechanical behavior of such hybrid systems.

Keywords

thin filmpolymerdevices
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1075: Symposium J – Passive and Electromechanical Materials and Integration , 2008 , 1075-J04-04
Copyright
Copyright © Materials Research Society 2008

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References

REFERENCES

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