A bistable viologen-TiO2 color switch

— The electro‐optical characteristics of a pixel configuration used in electrochromic viologen‐TiO2 passive‐matrix devices are studied. The configuration has two stable color states in an intermediate voltage regime. Color switching is performed by applying voltages outside this regime. The bistabil...

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Veröffentlicht in:Journal of the Society for Information Display 2005-12, Vol.13 (12), p.1035-1037
Hauptverfasser: Edwards, Mårten O. M., Persson, Roger
Format: Artikel
Sprache:eng
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Zusammenfassung:— The electro‐optical characteristics of a pixel configuration used in electrochromic viologen‐TiO2 passive‐matrix devices are studied. The configuration has two stable color states in an intermediate voltage regime. Color switching is performed by applying voltages outside this regime. The bistability is due to electrolyte‐additive controlled electron trapping in the color‐changing viologen molecules.
ISSN:1071-0922
1938-3657
DOI:10.1889/1.2150373