Electro-optical switching of liquid crystals sandwiched between ion-beam-spurted graphene quantum dots-doped PEDOT:PSS composite layers

Optics Express
Yang LiuGi-Seok Heo

Abstract

Graphene quantum dots (GQDs)-doped PSS composite layers were utilized to align liquid crystals (LCs) via an ion-beam (IB)-spurting pre-treatment process. LCs were homogeneously aligned between sandwiched GQDs/ PSS composite thin layers, and the alignment of LCs was found to be affected by both the quantity of doped GQDs and IB-spurting intensity. Competitive electro-optical switching properties and non-residual DC performance of the cell equipped with GQDs/ PSS composite alignment layers were obtained because of the enhanced field effect and charge transport induced by doped GQDs. Notably, using IB-spurted GQDs/ PSS layers as alignment layers for next generation high-performance liquid crystal display (LCD) is promising.

References

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Mar 14, 2012·Chemical Communications : Chem Comm·Jianhua ShenChunzhong Li
May 29, 2012·Nature Nanotechnology·Dong Ick SonWon Kook Choi
Feb 25, 2014·Journal of the American Chemical Society·Zonglong ZhuShihe Yang

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