Super-fast switching of liquid crystals sandwiched between highly conductive graphene oxide/dimethyl sulfate doped PEDOT:PSS composite layers

Graphene oxide (GO)-doped dimethyl sulfate (DMS)/poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) superconductive alignment layer, aligning liquid crystals (LCs) with super switching and non-residual direct current (non-residual DC) performance, is presented in this manuscript. Dop...

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Bibliographic Details
Published in:Journal of applied physics 2016-05, Vol.119 (19)
Main Authors: Liu, Yang, Zhang, Yifan, Oh, Byeong-Yun, Seo, Dae-Shik, Li, Xiangdan
Format: Article
Language:English
Subjects:
Alignment
Anchoring
Applied physics
Charge transport
Crystals
Dimethyl sulfate
Direct current
Graphene
Liquid crystals
Morphology
Polystyrene resins
Superconductors
Switching
Thin films
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Summary:Graphene oxide (GO)-doped dimethyl sulfate (DMS)/poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) superconductive alignment layer, aligning liquid crystals (LCs) with super switching and non-residual direct current (non-residual DC) performance, is presented in this manuscript. Doping of GO increased the pristine polar energy of a thin composite layer as well as the corresponding anchoring energy of the LCs sandwiched between these thin layers but only slightly affected the thin layers' morphology. When rubbed GO/DMS/PEDOT:PSS composite layers were used as alignment layers, a homogeneous alignment of nematic LCs was observed with competitive optoelectrical switching properties and non-residual DC performance because of the enhanced field effect and charge transport induced by the doped GO.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.4949488