Ion-beam-spurted dimethyl-sulfate-doped PEDOT:PSS composite-layer-aligning liquid crystal with low residual direct-current voltage

Yang Liu; Ju Hwan Lee; Dae Shik Seo; Xiang Dan Li

doi:10.1063/1.4962329

Ion-beam-spurted dimethyl-sulfate-doped PEDOT:PSS composite-layer-aligning liquid crystal with low residual direct-current voltage

Yang Liu, Ju Hwan Lee, Dae Shik Seo, Xiang Dan Li

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Abstract

Thin ion-beam (IB)-spurted dimethyl sulfate/poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (DMS/PEDOT:PSS) layers with improved electro-optic performance are presented for aligning liquid crystals. IB spurting is effective for enhancing the conductivity of such layers, as well as the anchoring energy of the liquid crystals sandwiched between them. Compared with a commercial twisted-nematic cell assembled with polyimide alignment layers, the same cell assembled with 3.0-keV IB-spurted DMS/PEDOT:PSS alignment layers shows a 38% faster switching and a 93% lower residual direct current. The improved electro-optic performance here is likely due to the enhanced electric field effect and the charge-releasing ability of thin IB-spurted DMS/PEDOT:PSS layers.

Original language	English
Article number	101901
Journal	Applied Physics Letters
Volume	109
Issue number	10
DOIs	https://doi.org/10.1063/1.4962329
Publication status	Published - 2016 Sept 5

Bibliographical note

Funding Information:
Yang Liu thanks the China Scholarship Council (CSC, Grant No. [2015]3022) for fellowship support. Xiang-Dan Li also thanks the financial support from the National Natural Science Foundation of China (Grant No. 51243005).

Publisher Copyright:
© 2016 Author(s).

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.4962329

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title = "Ion-beam-spurted dimethyl-sulfate-doped PEDOT:PSS composite-layer-aligning liquid crystal with low residual direct-current voltage",

abstract = "Thin ion-beam (IB)-spurted dimethyl sulfate/poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (DMS/PEDOT:PSS) layers with improved electro-optic performance are presented for aligning liquid crystals. IB spurting is effective for enhancing the conductivity of such layers, as well as the anchoring energy of the liquid crystals sandwiched between them. Compared with a commercial twisted-nematic cell assembled with polyimide alignment layers, the same cell assembled with 3.0-keV IB-spurted DMS/PEDOT:PSS alignment layers shows a 38% faster switching and a 93% lower residual direct current. The improved electro-optic performance here is likely due to the enhanced electric field effect and the charge-releasing ability of thin IB-spurted DMS/PEDOT:PSS layers.",

author = "Yang Liu and Lee, {Ju Hwan} and Seo, {Dae Shik} and Li, {Xiang Dan}",

note = "Funding Information: Yang Liu thanks the China Scholarship Council (CSC, Grant No. [2015]3022) for fellowship support. Xiang-Dan Li also thanks the financial support from the National Natural Science Foundation of China (Grant No. 51243005). Publisher Copyright: {\textcopyright} 2016 Author(s).",

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AU - Liu, Yang

AU - Lee, Ju Hwan

AU - Seo, Dae Shik

AU - Li, Xiang Dan

N1 - Funding Information: Yang Liu thanks the China Scholarship Council (CSC, Grant No. [2015]3022) for fellowship support. Xiang-Dan Li also thanks the financial support from the National Natural Science Foundation of China (Grant No. 51243005). Publisher Copyright: © 2016 Author(s).

PY - 2016/9/5

Y1 - 2016/9/5

N2 - Thin ion-beam (IB)-spurted dimethyl sulfate/poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (DMS/PEDOT:PSS) layers with improved electro-optic performance are presented for aligning liquid crystals. IB spurting is effective for enhancing the conductivity of such layers, as well as the anchoring energy of the liquid crystals sandwiched between them. Compared with a commercial twisted-nematic cell assembled with polyimide alignment layers, the same cell assembled with 3.0-keV IB-spurted DMS/PEDOT:PSS alignment layers shows a 38% faster switching and a 93% lower residual direct current. The improved electro-optic performance here is likely due to the enhanced electric field effect and the charge-releasing ability of thin IB-spurted DMS/PEDOT:PSS layers.

AB - Thin ion-beam (IB)-spurted dimethyl sulfate/poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (DMS/PEDOT:PSS) layers with improved electro-optic performance are presented for aligning liquid crystals. IB spurting is effective for enhancing the conductivity of such layers, as well as the anchoring energy of the liquid crystals sandwiched between them. Compared with a commercial twisted-nematic cell assembled with polyimide alignment layers, the same cell assembled with 3.0-keV IB-spurted DMS/PEDOT:PSS alignment layers shows a 38% faster switching and a 93% lower residual direct current. The improved electro-optic performance here is likely due to the enhanced electric field effect and the charge-releasing ability of thin IB-spurted DMS/PEDOT:PSS layers.

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Ion-beam-spurted dimethyl-sulfate-doped PEDOT:PSS composite-layer-aligning liquid crystal with low residual direct-current voltage

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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