Pseudo-rodlike molecules with hockey-stick-shaped mesogen
- Authors
- Choi, E-Joon; Park, Kyung-Min; Kim, Dae-Yoon; Jeong, Kwang-Un; Lee, Ji-Hoon
- Issue Date
- Sep-2016
- Publisher
- TAYLOR & FRANCIS LTD
- Keywords
- Bent-core liquid crystal; hockey-stick-shaped mesogen; synthesis
- Citation
- LIQUID CRYSTALS, v.43, no.11, pp 1597 - 1605
- Pages
- 9
- Journal Title
- LIQUID CRYSTALS
- Volume
- 43
- Number
- 11
- Start Page
- 1597
- End Page
- 1605
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/26981
- DOI
- 10.1080/02678292.2016.1189004
- ISSN
- 0267-8292
1366-5855
- Abstract
- Hockey-stick-shaped molecules were newly synthesised to obtain pseudo-rodlike molecules. The designed molecules consist of a polar terminal ring (i.e. 2,3,4-, 2,4,6- or 3,4,5-trifluorophenyl group), a rigid middle block (i.e. four rings with aligned ester linkages) and a flexible terminal chain (i.e. dodecyloxy group). We found that the compounds with 2,3,4- and 3,4,5-trifluorophenyl groups formed a smectic A mesophase with head-to-head bi-layer building blocks, whereas the compound with 2,4,6-trifluorophenyl group formed a nematic mesophase. This might be concerned with the behaviour of pseudo-rodlike molecules [GRAPHICS] .
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