Communication

Visualizing Ion Currents in Conjugated Polymers†

  1. X. Wang1,
  2. B. Shapiro2,
  3. E. Smela

Article first published online: 14 OCT 2004

DOI: 10.1002/adma.200400188

Issue

Advanced Materials

Advanced Materials

Volume 16, Issue 18, pages 1605–1609, September, 2004

Additional Information

How to Cite

Wang, X., Shapiro, B. and Smela, E. (2004), Visualizing Ion Currents in Conjugated Polymers. Adv. Mater., 16: 1605–1609. doi: 10.1002/adma.200400188

Author Information

  1. 1

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

  2. 2

    Department of Aerospace Engineering, University of Maryland, College Park, MD 20742, USA

  1. †

    This material is based upon work supported in part by the U. S. Army Research Laboratory and the U. S. Army Research Office under contract number DAAD190310085. We also acknowledge the U. S. Army Research Laboratory for use of equipment while completing this research and funding through DuPont's Educational Aid Program (Young Professor Grant).

Publication History

  1. Issue published online: 14 OCT 2004
  2. Article first published online: 14 OCT 2004
  3. Manuscript Accepted: 26 MAR 2004
  4. Manuscript Received: 9 FEB 2004

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Keywords:

  • Conjugated polymers;
  • Electrochromic materials;
  • Polypyrroles
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A new technique for direct measurement and visualization of ion transport in electrochromic materials that will be instrumental in formulating and validating physics-based models of electrochemical reactions is presented (see Figure). Initial experimental and modeling results have been obtained by applying the method to dodecyl- benzene-sulfonate-doped polypyrrole (PPy(DBS)). Migration, normally neglected in electrochemistry, plays a significant role in ion transport in PPy.

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