液晶
掺杂剂
材料科学
相(物质)
相变
结晶学
有机化学
化学
兴奋剂
凝聚态物理
光电子学
物理
作者
Jeong Hyun Shin,Beomjong Kim,Wansu Jung,Fahad Mateen,sang-jin Park,Sung-Kyu Hong
标识
DOI:10.1080/01411594.2016.1233554
摘要
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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