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Electrochromic window with high reflectivity modulation [electronic resource].

Published
Medford, Mass. : Tufts University, 2000.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Additional Creators
Tufts University and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
A multi-layered, active, thin film, solid-state electrochromic device having a high reflectivity in the near infrared in a colored state, a high reflectivity and transmissivity modulation when switching between colored and bleached states, a low absorptivity in the near infrared, and fast switching times, and methods for its manufacture and switching are provided. In one embodiment, a multi-layered device comprising a first indium tin oxide transparent electronic conductor, a transparent ion blocking layer, a tungsten oxide electrochromic anode, a lithium ion conducting-electrically resistive electrolyte, a complimentary lithium mixed metal oxide electrochromic cathode, a transparent ohmic contact layer, a second indium oxide transparent electronic conductor, and a silicon nitride encapsulant is provided. Through elimination of optional intermediate layers, simplified device designs are provided as alternative embodiments. Typical colored-state reflectivity of the multi-layered device is greater than 50% in the near infrared, bleached-state reflectivity is less than 40% in the visible, bleached-state transmissivity is greater than 60% in the near infrared and greater than 40% in the visible, and spectral absorbance is less than 50% in the range from 0.65-2.5 .mu.m.
Report Numbers
E 1.99:us 6094292
us 6094292
Other Subject(s)
Note
Published through SciTech Connect.
01/01/2000.
"us 6094292"
Goldner, Ronald B.; Haas, Terry E.; Gerouki, Alexandra; Liu, Te-Yang; Goldner, Mark A.
Funding Information
FG02-95ER14578
View MARC record | catkey: 13803072