Millisecond switching in solid state electrochromic polymer devices fabricated from ionic self-assembled multilayers (original) (raw)
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Research Article| January 24 2008
Macromolecular Science and Engineering
, Virginia Tech, Blacksburg, Virginia, 24061,
USA
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Department of Physics and Engineering
, Sweet Briar College, Sweet Briar, Virginia 24595,
USA
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Department of Physics
, Virginia Tech, Blacksburg, Virginia 24061,
USA
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Department of Physics
, Virginia Tech, Blacksburg, Virginia 24061,
USA
Search for other works by this author on:
Electronic mail: rheflin@vt.edu.
Appl. Phys. Lett. 92, 033304 (2008)
The electrochromic switching times of solid state conducting polymer devices fabricated by the ionic self-assembled multilayer method has been investigated. The devices were composed of bilayers of poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) and poly(allylamine hydrochloride) on indium tin oxide substrates. Devices fabricated from 40 bilayer thick films have coloration and decolaration switching times of 31 and 6ms, respectively, with low applied voltage (1.4V) for an active area of 0.6cm2. The switching times have been shown to decrease with the active area of the electrochromic device suggesting that even faster electrochromic switching times are possible for devices with smaller areas.
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© 2008 American Institute of Physics.
2008
American Institute of Physics
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