Electroluminescent segmented liquid crystalline trimers

Aldred, M.P. and Hudson, R. and Kitney, S.P. and Vlachos, P. and Liedtke, A. and Woon, K.L. and O'Neill, M. and Kelly, S.M. (2008) Electroluminescent segmented liquid crystalline trimers. Liquid Crystals, 35 (4). pp. 413-427. ISSN 0267-8292, DOI https://doi.org/10.1080/02678290801924931.

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Official URL: http://www.tandfonline.com/doi/full/10.1080/026782...


The synthesis and liquid crystal behaviour of light‐emitting trimeric liquid crystals consisting of three mesomorphic moieties connected by aliphatic spacers are reported. The combination of an aromatic light‐emitting central core and two cholestanyl (dihydrocholesteryl) groups induces a helical liquid crystalline phase with circularly polarised photoluminescence and electroluminescence. These segmented trimers are designed to possess a high glass transition temperature below which the structure of liquid crystalline phases can be fixed. The effects of odd and even spacers, spacer length and the presence of large lateral substituents on the liquid crystal behaviour and the glass transition temperature of these trimers were studied. Electroluminescence from a segmented liquid crystalline trimer is reported for the first time.

Item Type: Article
Uncontrolled Keywords: Electroluminescence; LC trimer
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Divisions: Faculty of Science > Department of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 27 Feb 2015 05:48
Last Modified: 27 Feb 2015 05:48
URI: http://eprints.um.edu.my/id/eprint/12901

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