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Technological Developments in Education and Automation pp 103–107Cite as

On the Percolation Behavior of the Thin Films of the PEDT/PSS Complex: a Mesoscale Simulation Study

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Abstract

The broad range of the electrical conductivities is the characteristic feature of the electronically conducting polymers [1]. Thus, the conductivity of poly(ethylenedioxythiophene)/poly(styrene sulfonate) (PEDT/PSS, Fig. 1) film varies ca over 5 orders of magnitude, depending on the PEDT/PSS mass ratio in the range of 1:2.5 to 1:20 [2,3].The conductivity is attributed to the presence of a conducting, i.e. percolating network, and the film is imagined as a percolating conductor-insulator composite [4–7]. Due to the polaronic nature of the charge carriers in the film [8], this is a rough approximation. However, as shown below, it serves well as a reasonable starting point for the numerical modeling.

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Acknowledgments

The authors are grateful to the Estonian Science Foundation for financial support (Grants No 6633 and 6121) and to the Accelrys Support Group for customizing computational programs.

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Authors and Affiliations

  1. Department of Material Sciences, Tallinn University of Technology, Ehitajate tee 5, 19086, Tallinn, Estonia

    Toomas Kaevand, Andres Öpik & Ülo Lille

  2. Institute of Cybernetics, Tallinn University of Technology, Akadeemia tee 21, 12618, Tallinn, Estonia

    Jaan Kalda

Authors
  1. Toomas Kaevand
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  2. Jaan Kalda
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  3. Andres Öpik
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  4. Ülo Lille
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Corresponding author

Correspondence to Ülo Lille .

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Editors and Affiliations

  1. Dept. Civil & Environmental Engineering, Polytechnic University, Jay Street 333, Brooklyn, 11201, U.S.A.

    Magued Iskander

  2. Dept. Civil & Environmental Engineering, Polytechnic University, Jay Street 333, Brooklyn, 11201, U.S.A.

    Vikram Kapila

  3. Old Dominion University, Monarch Way 4111, Norfolk, 23508, U.S.A.

    Mohammad A. Karim

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Kaevand, T., Kalda, J., Öpik, A., Lille, Ü. (2010). On the Percolation Behavior of the Thin Films of the PEDT/PSS Complex: a Mesoscale Simulation Study. In: Iskander, M., Kapila, V., Karim, M. (eds) Technological Developments in Education and Automation. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-3656-8_20

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