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Blue phase liquid crystal phase transition for cyano compound chiral nematic liquid crystal mixtures with three two-ring core structures and chiral dopant concentrations
- Issue Date
- 4-May-2017
- Publisher
- TAYLOR & FRANCIS LTD
- Keywords
- Chiral nematic liquid crystal; blue phase; temperature range; core structure; chiral dopant concentration; helical twisting power
- Citation
- PHASE TRANSITIONS, v.90, no.5, pp 524 - 533
- Pages
- 10
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- PHASE TRANSITIONS
- Volume
- 90
- Number
- 5
- Start Page
- 524
- End Page
- 533
- ISSN
- 0141-1594
1029-0338
- Abstract
- Blue phase (BP) temperature range of a chiral nematic liquid crystal (LC) mixture is dependent upon the host nematic LC chemical structure and chiral dopant concentration. In this study, we investigated BP phase transition behaviour and helical twisting power (HTP) using three chiral dopant concentrations of cyano compound chiral nematic LC mixtures incorporating three two-ring core structures in the host nematic LCs. The effect of the host nematic LC core structure, HTP and chiral dopant concentrations were considered on BP temperature ranges, for two types of complete BPI and BPII without isotropic phase (Iso) and two types of coexistence state of BPI+Iso and BPII+Iso.
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Related Researcher
- Hong, Sung Kyu
- College of Engineering (Department of Chemical and Biochemical Engineering)