Journal
LIQUID CRYSTALS
Volume 42, Issue 9, Pages 1250-1256Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/02678292.2015.1036817
Keywords
cholesterol; liquid crystal; pentaalkynylbenzene; dimer
Funding
- IISER Mohali
- Department of Science and Technology [DST-12-0035]
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In this article, we report the synthesis of the first examples of room temperature liquid crystal dimers based on cholesterol and pentaalkynylbenzene linked via flexible alkyl spacers. The thermal behaviour and mesomorphic properties of the newly synthesised compounds were investigated by differential scanning calorimetry, polarised optical microscopy and X-ray diffraction studies. All the synthesised dimers showed nematic (N*) phase at room temperature and exhibited excellent fluorescent emission properties. The steady-state anisotropy and fluorescence lifetime were measured in order to gain further insights into the supramolecular arrangement of these dimers.
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