Prototype All-Solid Lithiated Smart Window Devices

G. Seward; R. B. Goldner; K. Wong; T. Haas; G. H. Foley; R. Chapman; S. Schulz

doi:10.1117/12.941873

12 November 1987 Prototype All-Solid Lithiated Smart Window Devices

G. Seward, R. B. Goldner, K. Wong, T. Haas, G. H. Foley, R. Chapman, S. Schulz

Proceedings Volume 0823, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VI; (1987) https://doi.org/10.1117/12.941873
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

Abstract

The optical transmissivity (and especially the reflectivity) of a ultilayer electrochvomic smart window^TM 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 window^TM glass could soon become a commercial reality.

Citation Download Citation

G. Seward, R. B. Goldner, K. Wong, T. Haas, G. H. Foley, R. Chapman, and S. Schulz "Prototype All-Solid Lithiated Smart Window Devices", Proc. SPIE 0823, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VI, (12 November 1987); https://doi.org/10.1117/12.941873

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