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1-((12-Bromododecyl)oxy)-4-((4-(4-pentylcyclohexyl)phenyl)ethynyl) benzene: Liquid crystal with aggregation-induced emission characteristics

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  • Special Topic Aggregated-Induced Emission
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Abstract

The luminescent liquid crystals (LLCs) are expected to solve the conflicts between the aggregation caused quenching and the requirement of aggregation or self-organization for LCs. Herein, we developed a new strategy of applying aggregation-induced emission (AIE) phenomenon to the molecular design of LCs towards LLCs. In this report, a calamitic liquid crystal based on tolane with AIE characteristics was successfully synthesized and the chemical structure was characterized by 1H, 13C NMR, and matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) high-resolution mass spectra. The fluorescence behavior was studied by fluorescence spectroscopy and the liquid crystal phase behaviors were investigated by differential scanning calorimetry (DSC), polarized optical microscopy (POM). The crystal structure was obtained by X-ray diffraction crystallography with P1 space group. Results demonstrated that the sample was AIE active and the LC phases sequence during cooling was nematic, smectic C and smectic B phase.

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Authors and Affiliations

  1. Shenzhen Key Laboratory of Functional Polymers, School of Chemistry and Chemical Engineering, Shenzhen University, Shenzhen, 518060, China

    YaFei Chen, JieSheng Lin & ZhenQiang Yu

  2. National Institutes for Food and Drug Control, Beijing, 100050, China

    YaFei Chen

  3. School of Chemistry and Chemical engineering, Shanghai Jiao Tong University, Shanghai, 200240, China

    WangZhang Yuan

  4. Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China

    WangZhang Yuan, Jacky WingYip Lam & Ben Zhong Tang

Authors
  1. YaFei Chen
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  2. JieSheng Lin
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  3. WangZhang Yuan
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  4. ZhenQiang Yu
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  5. Jacky WingYip Lam
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  6. Ben Zhong Tang
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Corresponding authors

Correspondence to ZhenQiang Yu or Ben Zhong Tang.

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Chen, Y., Lin, J., Yuan, W. et al. 1-((12-Bromododecyl)oxy)-4-((4-(4-pentylcyclohexyl)phenyl)ethynyl) benzene: Liquid crystal with aggregation-induced emission characteristics. Sci. China Chem. 56, 1191–1196 (2013). https://doi.org/10.1007/s11426-013-4950-5

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  • DOI: https://doi.org/10.1007/s11426-013-4950-5

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