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Proceedings Paper

Prototype All-Solid Lithiated Smart Window Devices
Author(s): G. Seward; R. B. Goldner; K. Wong; T. Haas; G. H. Foley; R. Chapman; S. Schulz
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Paper Abstract

The optical transmissivity (and especially the reflectivity) of a ultilayer electrochvomic smart windowTM glass structure can be reversibly modulated by an electrical current pulse; and the modulation is spectrally selective. This is important for building and vehicle windows and for other electro-optical applications. Discussed is the state of development of each of the layers for, and the state of development of, prototype all-solid electrochemically reversible, 5-layer smart window devices. These devices employ: a lithium-insertable rf sputter-deposited polycrystalline WO3 film that exhibits reflection modulation as the electrochromic layer; a lithium-insertable rf sputter deposited In203 film or a thermally deposited V205 film as the counterelectrode layer; an rf sputter deposited LiNbO3 film as the ion conducting (solid electrolyte) layer; and rf sputter deposited ITO (Sn-doped In203) or undoped In203 films as the transparent conducting layers. The devices exhibit useful operating characteristics and indicate that robust and economical practical smart windowTM glass could soon become a commercial reality.

Paper Details

Date Published: 12 November 1987
PDF: 11 pages
Proc. SPIE 0823, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VI, (12 November 1987); doi: 10.1117/12.941873
Show Author Affiliations
G. Seward, Tufts University (United States)
R. B. Goldner, Tufts University (United States)
K. Wong, Tufts University (United States)
T. Haas, Tufts University (United States)
G. H. Foley, Tufts University (United States)
R. Chapman, Tufts University (United States)
S. Schulz, Tufts University (United States)


Published in SPIE Proceedings Vol. 0823:
Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VI
Carl M. Lampert, Editor(s)

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