Graphene oxide doped PDLC films for all optically controlled light valve structures

Vera Marinova; Zhon Fang Tong; Stefan Petrov; Daniela Karashanova; Yi Hsin Lin; Shiuan Huei Lin; Ken Yuh Hsu

doi:10.1117/12.2238508

12 September 2016 Graphene oxide doped PDLC films for all optically controlled light valve structures

Vera Marinova, Zhon Fang Tong, Stefan Petrov, Daniela Karashanova, Yi Hsin Lin, Shiuan Huei Lin, Ken Yuh Hsu

Proceedings Volume 9970, Optics and Photonics for Information Processing X; 997009 (2016) https://doi.org/10.1117/12.2238508
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

We study the effect of graphene oxide (GrO) on the switching voltage of polymer dispersed liquid crystal (PDLC). The threshold voltage decreases with addition of GrO nanoparticles. Scanning electron microscopy (SEM) supported that the size of LC droplets in GrO-doped PDLC increase in comparison with non-doped one. PDLC:GrO layer was combined with Bi₁₂SiO₂₀ (BSO) inorganic substrate into a hybrid structure and based on the surface activated photorefractive phenomena typical for BSO, it allows the opaque-transparent states to be all optically controlled, operating faster and requiring less intensity due to the GrO addition in PDLC.

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Citation Download Citation

Vera Marinova, Zhon Fang Tong, Stefan Petrov, Daniela Karashanova, Yi Hsin Lin, Shiuan Huei Lin, and Ken Yuh Hsu "Graphene oxide doped PDLC films for all optically controlled light valve structures", Proc. SPIE 9970, Optics and Photonics for Information Processing X, 997009 (12 September 2016); https://doi.org/10.1117/12.2238508

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