Organic light-emitting bistable memory devices with self-assembled organic nanoparticles as a charge trapping center

Seung Yoon Ryu; Hong Koo Baik; Youn Sang Kim; Jun Yeob Lee

doi:10.1149/1.3447864

Organic light-emitting bistable memory devices with self-assembled organic nanoparticles as a charge trapping center

Seung Yoon Ryu, Hong Koo Baik, Youn Sang Kim, Jun Yeob Lee

Department of Materials Science and Engineering

Research output: Contribution to journal › Article

2 Citations (Scopus)

Abstract

Organic bistable memory devices were demonstrated by applying poly(styrene sulfonate)-doped poly(3,4-ethylene dioxythiopen) (PEDOT:PSS) as a self-organized charge trapping center inside a poly(9,9-dioctylfluorene) (PFO). PEDOT:PSS was introduced as nanoparticles by the chemical surface energy difference between PFO and PEDOT:PSS. The PEDOT:PSS nanoparticles played a role of the charge trapping center and an average on/off ratio around 100 was observed at a reading voltage of -2 V. The combination of PEDOT:PSS nanoparticle and LiF/Al cathode resulted in organic light-emitting bistable devices with a stable bistability and light-emitting performances.

Original language	English
Pages (from-to)	J103-J105
Journal	Electrochemical and Solid-State Letters
Volume	13
Issue number	9
DOIs	https://doi.org/10.1149/1.3447864
Publication status	Published - 2010 Jul 23

All Science Journal Classification (ASJC) codes

Chemical Engineering(all)
Materials Science(all)
Physical and Theoretical Chemistry
Electrochemistry
Electrical and Electronic Engineering

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Ryu, S. Y., Baik, H. K., Kim, Y. S., & Lee, J. Y. (2010). Organic light-emitting bistable memory devices with self-assembled organic nanoparticles as a charge trapping center. Electrochemical and Solid-State Letters, 13(9), J103-J105. https://doi.org/10.1149/1.3447864

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abstract = "Organic bistable memory devices were demonstrated by applying poly(styrene sulfonate)-doped poly(3,4-ethylene dioxythiopen) (PEDOT:PSS) as a self-organized charge trapping center inside a poly(9,9-dioctylfluorene) (PFO). PEDOT:PSS was introduced as nanoparticles by the chemical surface energy difference between PFO and PEDOT:PSS. The PEDOT:PSS nanoparticles played a role of the charge trapping center and an average on/off ratio around 100 was observed at a reading voltage of -2 V. The combination of PEDOT:PSS nanoparticle and LiF/Al cathode resulted in organic light-emitting bistable devices with a stable bistability and light-emitting performances.",

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