Issue 25, 2020

Excimer-origin CPL vs. monomer-origin magnetic CPL in photo-excited chiral binaphthyl-ester-pyrenes: critical role of ester direction

Abstract

Two chiral binaphthyl (BNp) derivatives bearing oppositely oriented ester linkers to two pyrene (Py) moieties [(R)/(S)-1 and (R)/(S)-2] enabled Py-origin circularly polarized luminescence (CPL), magnetic CPL (MCPL), and circular dichroism (CD). (R)-1 that exhibited (−)-sign CD showed (+)-sign Py-excimer CPL but did not exhibit MCPL. Conversely, (R)-2, with (−)-sign CD, did not show excimer-origin CPL, but exhibited clear Py-monomer MCPL.

Graphical abstract: Excimer-origin CPL vs. monomer-origin magnetic CPL in photo-excited chiral binaphthyl-ester-pyrenes: critical role of ester direction

Supplementary files

Article information

Article type
Communication
Submitted
25 Dzi 2020
Accepted
20 Mud 2020
First published
20 Mud 2020

Phys. Chem. Chem. Phys., 2020,22, 13862-13866

Excimer-origin CPL vs. monomer-origin magnetic CPL in photo-excited chiral binaphthyl-ester-pyrenes: critical role of ester direction

H. Okada, N. Hara, D. Kaji, M. Shizuma, M. Fujuiki and Y. Imai, Phys. Chem. Chem. Phys., 2020, 22, 13862 DOI: 10.1039/D0CP02215B

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