Electrochromic switching in ionically self-assembled nanostructures

Jerzy A. Janik; James Randy Heflin; Daniela Marciu; Michael B. Miller; Hong Wang; Harry W. Gibson; Rick M. Davis

doi:10.1117/12.448242

13 November 2001 Electrochromic switching in ionically self-assembled nanostructures

Jerzy A. Janik, James Randy Heflin, Daniela Marciu, Michael B. Miller, Hong Wang, Harry W. Gibson, Rick M. Davis

Proceedings Volume 4458, Solar and Switching Materials; (2001) https://doi.org/10.1117/12.448242
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

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.

Citation Download Citation

Jerzy A. Janik, James Randy Heflin, Daniela Marciu, Michael B. Miller, Hong Wang, Harry W. Gibson, and Rick M. Davis "Electrochromic switching in ionically self-assembled nanostructures", Proc. SPIE 4458, Solar and Switching Materials, (13 November 2001); https://doi.org/10.1117/12.448242

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