Electrical stabilities and memory mechanisms of organic bistable devices fabricated utilizing a poly(3,4-ethylene-dioxythiophene): Poly(styrenesulfonate) layer with a poly(methyl methacrylate) buffer layer
- Authors
- Son, Jung Min; Song, Woo Seung; Yoo, Chan Ho; Yun, Dong Yeol; Kim, Tae Whan
- Issue Date
- Apr-2012
- Publisher
- AMER INST PHYSICS
- Citation
- APPLIED PHYSICS LETTERS, v.100, no.18
- Indexed
- SCIE
SCOPUS
- Journal Title
- APPLIED PHYSICS LETTERS
- Volume
- 100
- Number
- 18
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/165987
- DOI
- 10.1063/1.4709399
- ISSN
- 0003-6951
- Abstract
- Organic bistable devices (OBDs) based on a poly(3,4-ethylene-dioxythiophene): poly(styrenesulfonate) (PEDOT:PSS) layer with a poly(methyl methacrylate) (PMMA) buffer layer were fabricated on indium-tin-oxide (ITO)-coated polyethylene terephthalate (PET) flexible substrates. Current-voltage curves for the Al/PEDOT: PSS/PMMA/ITO/PET device showed current bistabilities with an ON/OFF current ratio of 1 x 10(3), indicative of a significant enhancement of memory storage. The endurance number of the ON/OFF switchings for the OBDs was above 1 x 10(5) cycles showing high potential applications in read only memory devices. The memory mechanisms for the OBDs on the basis of oxidation and reduction operations were attributed to the filament processes.
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