Journal
LIQUID CRYSTALS
Volume 49, Issue 1, Pages 39-49Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/02678292.2021.1943024
Keywords
Electro-optical characteristics; phase separation; Al2O3 nanoparticles; morphology
Funding
- Natural Science Basic Research Plan in Shaanxi Province of China [2021JM-531, 2021GY-205, 2021JQ-877]
- Fundamental Research Funds for the Central Universities [FRF-GF-19-003B]
- National Natural Science Foundation of China [52073027, 51973017, 51773017]
- Scientific Research Program - Shaanxi Provincial Education Department [20JK0959]
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The electro-optical characteristics of PDLC were dependent on the amount of Al2O3 nanoparticles used, with morphology affecting the driving voltage. Optimizing nanoparticles concentration can result in promising electronic materials for display applications.
The electro-optical characteristics of nanoparticles-doped polymer dispersed liquid crystals (PDLCs) have been investigated for display applications. The PDLC samples were obtained by polymerisation induced phase separation of the nematic liquid crystal LC-nanoparticles-prepolymer mixtures under UV illumination with a constant intensity. The effect of Al2O3 nanoparticles doping on the PDLC system was studied. It was seen that the electro-optical characteristics of PDLC were dependent on the amount of Al2O3 nanoparticles used. The effect of morphology on the electro-optical properties was examined, and the experimental results indicated that the driving voltage was affected considerably by the amount of Al2O3 nanoparticles. The results showed that the nanoparticles concentration can be optimised to obtain promising electronic materials with a minimum threshold for display applications.
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