, Volume 112, Issue 2, pp 495-500
Date: 21 Nov 2012

Electrical properties and switching mechanisms of flexible organic-inorganic bistable devices

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Abstract

The electrical properties of flexible organic-inorganic bistable devices fabricated with aluminum (Al) sandwiched between tris-(8-hydroxyquinoline) aluminum (Alq3) and zinc selenide (ZnSe) layers were investigated. Current–voltage (I–V) measurements were conducted under conditions before, during, and after bending while changing the bending distance of the base plastic polyethylene terephthalate (PET) systematically. The maximum ON/OFF current ratios of the flexible bistable devices at flat and bent conditions were approximately 2.7×104 and 1.9×104, respectively. The conduction mechanisms in both ON and OFF states were analyzed by a theoretical model.