From Event: SPIE Optical Engineering + Applications, 2016
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.
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 (Presented at SPIE Optical Engineering + Applications: August 29, 2016; Published: 12 September 2016); https://doi.org/10.1117/12.2238508.
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