NDLI: Photo-responsive dye-doped liquid crystals for smart windows.

Content Provider	Semantic Scholar
Author	Talukder, Javed Rouf Lee, Yun-Han Wu, Shin-Tson
Copyright Year	2019
Abstract	An electric field drives most dye-doped liquid crystal devices. Here, we demonstrate a new photo-responsive dye-doped self-organized cholesteric liquid crystal device. Upon UV or blue light exposure, the helical twisting power of the chiral azobenzene changes because of the trans-cis isomerization. As a result, the initially vertically aligned liquid crystal directors and dye molecules will change from transparent state to dark state. Such a polarizer-free photo-activated dimmer can be used for wide range of applications, such as diffractive photonic devices, portable information system, vehicular head-up displays, and as a smart window for energy-saving buildings.
Starting Page	4480
Ending Page	4487
Page Count	8
File Format	PDF HTM / HTML
DOI	10.1364/OE.27.004480
PubMed reference number	30876066
Journal	Medline
Volume Number	27
Issue Number	4
Alternate Webpage(s)	https://www2.creol.ucf.edu/Research/Publications/13255.pdf
Alternate Webpage(s)	http://lcd.creol.ucf.edu/Publications/2019/oe-27-4-4480.pdf
Journal	Optics express
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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Photo-responsive dye-doped liquid crystals for smart windows.