Side-chain free and conformationally flexible conjugated calamitic liquid crystals (Conference Presentation)

S. Holger Eichhorn; Jacob J. G. Rothera; Hi H. Taing

doi:10.1117/12.2632119

3 October 2022 Side-chain free and conformationally flexible conjugated calamitic liquid crystals (Conference Presentation)

S. Holger Eichhorn, Jacob J. G. Rothera, Hi H. Taing

Author Affiliations +

Proceedings Volume PC12207, Liquid Crystals XXVI; PC1220706 (2022) https://doi.org/10.1117/12.2632119
Event: SPIE Organic Photonics + Electronics, 2022, San Diego, California, United States

Abstract

Side-chain engineering has been widely applied in organic electronics and liquid crystal science to control solubility, self-assembly, surface alignment, mesomorphism, and transition temperatures. However, the incorporation of flexible side-chains often complicates purification and lowers thermal stability and their nanosegregated areas of amorphous side-chains do not contribute to most optical and electronic properties of a mesophase. Herein, we report side-chain free liquid crystals that generate nematic and smectic mesophases and studied the influence of molecular properties on transition temperatures and mesophase structures. Molecular, optical and electronic properties are compared to analogous liquid crystals containing side-chains that display aggregation induced fluorescence.

Conference Presentation

Citation Download Citation

S. Holger Eichhorn, Jacob J. G. Rothera, and Hi H. Taing "Side-chain free and conformationally flexible conjugated calamitic liquid crystals (Conference Presentation)", Proc. SPIE PC12207, Liquid Crystals XXVI, PC1220706 (3 October 2022); https://doi.org/10.1117/12.2632119

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