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Proceedings Paper

Electrochromic switching in ionically self-assembled nanostructures
Author(s): Jerzy A. Janik; James Randy Heflin; Daniela Marciu; Michael B. Miller; Hong Wang; Harry W. Gibson; Rick M. Davis
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Paper Abstract

Ionically self-assembled monolayers (ISAMs), fabricated by alternate adsorption of cationic and anionic components, yield exceptionally homogeneous thin films with sub- nanometer control of the thickness and relative special location of the component materials. Using organic electrochromic materials such as polyaniline, we report studies of electrochromic responses in ISAM films. Reversible changes in the absorption spectrum are observed with the application of voltages on the order of 1.0 V. Measurements are made using both liquid electrolytes and in all-solid state devices incorporating solid polyelectrolytes such as poly(2-acylamido 2-methyl propane sulfonic acid) (PAMPS). Due to the precise nanometer scale control of thickness and composition of the electrochromic composite system, switching times faster than 50 ms have been demonstrated.

Paper Details

Date Published: 13 November 2001
PDF: 8 pages
Proc. SPIE 4458, Solar and Switching Materials, (13 November 2001); doi: 10.1117/12.448242
Show Author Affiliations
Jerzy A. Janik, Virginia Polytechnic Institute and State Univ. (United States)
James Randy Heflin, Virginia Polytechnic Institute and State Univ. (United States)
Daniela Marciu, Luna Innovations, Inc. (United States)
Michael B. Miller, Luna Innovations, Inc. (United States)
Hong Wang, Virginia Polytechnic Institute and State Univ. (United States)
Harry W. Gibson, Virginia Polytechnic Institute and State Univ. (United States)
Rick M. Davis, Virginia Polytechnic Institute and State Univ. (United States)


Published in SPIE Proceedings Vol. 4458:
Solar and Switching Materials
Carl M. Lampert; Claes-Goran Granqvist; Keith L. Lewis; Carl M. Lampert; Claes-Goeran Granqvist; Keith L. Lewis, Editor(s)

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