Variable transmission electrochromic windows utilizing tin-doped indium oxide counterelectrodes

The optical performance of Li-based variable transmission electrochromic windows incorporating tin-doped indium oxide thin-film counterelectrodes have been measured. The electrolyte used was 1M LiClO4 dissolved in dry propylene carbonate, the active device area was approximately 10 cm2 and the devic...

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Veröffentlicht in:Applied physics letters 1991-11, Vol.59 (19), p.2357-2359
Hauptverfasser: STEELE, B. C. H, GOLDEN, S. J
Format: Artikel
Sprache:eng
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Zusammenfassung:The optical performance of Li-based variable transmission electrochromic windows incorporating tin-doped indium oxide thin-film counterelectrodes have been measured. The electrolyte used was 1M LiClO4 dissolved in dry propylene carbonate, the active device area was approximately 10 cm2 and the devices were driven galvanostatically with a current density of 100 or 200 μA/cm2. Significant and reversible transmission modulation could be achieved in these devices. The characteristics of the WO3 electrochromic electrode and the tin-doped indium oxide counterelectrode used were found to have a marked effect on the optical response of the device. The plasma wavelength of the tin-doped indium oxide counterelectrode was found to be a critical parameter.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.106014