Electrical stabilities and carrier transport mechanisms of flexible organic bistable devices based on CdSe-InP core-shell nanoparticle/polystyrene nanocomposites

Flexible organic bistable devices (OBDs) for the memory characteristics utilizing CdSe-InP core-shell nanoparticle/polystyrene nanocomposites were fabricated on indium-tin-oxide-coated polyethylene terephthalate substrates. Current-voltage measurements on Al/CdSe-InP nanoparticles embedded in polyst...

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Bibliographic Details
Published in:Applied physics letters 2012-09, Vol.101 (10), p.103305
Main Authors: Yun, Dong Yeol, Song, Woo Seung, Kim, Tae Whan, Kim, Sung Woo, Kim, Sang Wook
Format: Article
Language:English
Subjects:
Bending
Carrier transport
Devices
Nanocomposites
Nanomaterials
Nanostructure
Polystyrene resins
Switching
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Summary:Flexible organic bistable devices (OBDs) for the memory characteristics utilizing CdSe-InP core-shell nanoparticle/polystyrene nanocomposites were fabricated on indium-tin-oxide-coated polyethylene terephthalate substrates. Current-voltage measurements on Al/CdSe-InP nanoparticles embedded in polystyrene layer/indium-tin-oxide/polyethylene terephthalate devices without and with bending exhibit wide-range current hysteresis behaviours with ON/OFF ratios of 1 107 and 1 105, respectively. The endurance number of the ON/OFF switchings without bending was 1 105 cycles. The switching characteristics of the OBDs after bending were stable enough to distinguish the ON and OFF. The carrier transport mechanisms of the OBDs are described on the basis of the current-voltage results.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4748873