Oleoscience
Online ISSN : 2187-3461
Print ISSN : 1345-8949
ISSN-L : 1345-8949
Volume 20, Issue 1
Displaying 1-2 of 2 articles from this issue
  • Yoshitane IMAI
    2020 Volume 20 Issue 1 Pages 5-11
    Published: 2020
    Released on J-STAGE: January 10, 2020
    JOURNAL FREE ACCESS

    Recently, the development of optically active luminophores that can emit circularly polar ized luminescence (CPL) with high functionalities, such as a high dissymmetry factor (gCPL) and a high quantum yield (ΦF), has attracted attention in the field of chiroptical materials. Generally, enantiopair of luminophores with a stereogenic centre(s) provide mirror-image CPL signals with (+)- and (–)-signs. Upon combining chiral peptides and fluorescent pyrene moieties, chiral oligopeptides bearing pendant pyrenyl units exhibit CPL originating from intramolecular pyrene excimers, and the sign of their CPL signals can be controlled by the distance between the pendant pyrenes and the type of solvent em ployed.

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