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- Title
Non-Classical Circularly Polarized Luminescence Control of Peptide Luminophore Based on Precise Chiral Space Control.
- Authors
Imai, Yoshitane; Kitamatsu, Mizuki
- Abstract
Light that rotates in a circular spiral when viewed from the front is known as circularly polarized luminescence (CPL), and can be divided into two types, namely, left- and right-rotating light. To emit both left- and right-rotating CPLs, two types of optically active luminophores, namely, enantiomer D- and L-bodies, are generally required. This mini-review mainly discusses our latest study on CPL properties via the control of the pyrene ring as the luminescent unit incorporated into chiral peptides. In this study, optically active peptide–pyrene organoluminescent materials that emit CPL were synthesized by combining a peptide as a frame and two pyrene rings as a luminescent unit. By adjusting the interpyrene distance, external conditions, and absolute chiral configuration (D- or L-configuration), the chiral spatial configuration of the luminescent pyrene ring was precisely controlled. Consequently, the direction of CPL rotation from pyrenylalanine-containing peptides with the same configuration was successfully controlled.
- Subjects
PEPTIDES; LUMINESCENCE; LUMINOPHORES; PYRENE; ENANTIOMERS; ROTATIONAL motion; CHIRALITY of nuclear particles
- Publication
Processes, 2023, Vol 11, Issue 9, p2778
- ISSN
2227-9717
- Publication type
Article
- DOI
10.3390/pr11092778