Parylene C as a multifunctional insulator for all-organic flexible electronics

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

The use of a single material as a multifunctional insulator (i.e. substrate, gate dielectric, and passivation layer) in the same device will reduce cost and improve the sustainability of flexible integrated circuits. Towards that goal, use of the oblique-angle physicochemical deposition technique to fabricate columnar microfibrous thin films of Parylene C and thereby lower the relative permittivity motivated the examination of these materials as interlayer dielectrics in flexible electronics. The static Young's moduli, yield strengths, and relative permittivity of columnar microfibrous thin films of Parylene C were correlated to the porosity, crystallinity, and the deposition angle. The Poole-Frenkel conduction mechanism is responsible for the DC leakage current at temperatures not exceeding 100°C, and the AC leakage current is attributable to small-polaron tunneling mechanism. The leakage current after the application of a constant-voltage stress for a certain duration conforms to the Kohlrausch-Williams-Watts relaxation model, and the capacitance of a columnar microfibrous thin film will degrade by 20% in 10 years.

Original languageEnglish (US)
Title of host publicationBehavior and Mechanics of Multifunctional Materials XIII
EditorsHani E. Naguib
PublisherSPIE
ISBN (Electronic)9781510625914
DOIs
StatePublished - Jan 1 2019
EventBehavior and Mechanics of Multifunctional Materials XIII 2019 - Denver, United States
Duration: Mar 4 2019Mar 6 2019

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume10968
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceBehavior and Mechanics of Multifunctional Materials XIII 2019
CountryUnited States
CityDenver
Period3/4/193/6/19

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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  • Cite this

    Khawaji, I. H., Awadelkarim, O. O., & Lakhtakia, A. (2019). Parylene C as a multifunctional insulator for all-organic flexible electronics. In H. E. Naguib (Ed.), Behavior and Mechanics of Multifunctional Materials XIII [1096813] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 10968). SPIE. https://doi.org/10.1117/12.2513921