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A 1,6-Diphenylpyrene-Based, Photoluminescent Cyclophane Showing a Nematic Liquid-Crystalline Phase at Room Temperature

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Title: A 1,6-Diphenylpyrene-Based, Photoluminescent Cyclophane Showing a Nematic Liquid-Crystalline Phase at Room Temperature
Authors: Sagara, Yoshimitsu Browse this author
Muramatsu, Tatsuya Browse this author
Tamaoki, Nobuyuki Browse this author →KAKEN DB
Keywords: liquid crystal
photoluminescence
pyrene
fluorescence
cyclophane
Issue Date: Feb-2019
Publisher: MDPI
Journal Title: Crystals
Volume: 9
Issue: 2
Start Page: 92
Publisher DOI: 10.3390/cryst9020092
Abstract: Photoluminescent nematic liquid crystals have been an attractive research target for decades, because of their potential applications in optoelectrical devices. Integration of luminescent motifs into cyclic structures is a promising approach to induce low-ordered liquid-crystalline phases, even though relatively large and rigid luminophores are used as emitters. Here, we demonstrate a 1,6-diphenylpyrene-based, unsymmetric cyclophane showing a stable nematic phase at room temperature and exhibiting strong photoluminescence from the condensed state. The observed sky-blue photoluminescence was dominated by the emission species ascribed to assembled luminophores rather than monomers.
Rights: https://creativecommons.org/licenses/by/4.0/
Type: article
URI: http://hdl.handle.net/2115/75110
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 相良 剛光

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