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Cover Picture: Solvent‐ and Substituent–controlled Circularly Polarised Luminescence of C 2 ‐symmetric Binaphthyl Fluorophores (ChemistrySelect 13/2016)
Author(s) -
Mizusawa Takaya,
Sato Takuya,
Kitayama Yoko,
Tajima Nobuo,
Fujiki Michiya,
Imai Yoshitane
Publication year - 2016
Publication title -
chemistryselect
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201601000
Subject(s) - luminescence , chloroform , fluorescence , substituent , solvent , polar , dimethylformamide , chemistry , alkoxy group , photochemistry , materials science , stereochemistry , organic chemistry , optics , alkyl , physics , optoelectronics , astronomy
The cover picture shows a sign control of circularly polarized luminescence (CPL) of binaphthyl fluorophores between the weakly polar chloroform and the highly polar dimethylformamide. We examined chiral binaphthyl organic fluorophores bearing phenyl substituents, observing that they exhibited fluorescence properties in solution. The sign of CPL of binaphthyl fluorophores was controlled by changing the solvent from the weakly polar chloroform to the highly polar dimethylformamide or methanol. Moreover, the CPL behavior was tailored by introducing phenyl substituents into the binaphthyl unit and by replacing hydroxyl moieties with ethoxy groups. More information can be found in the Full Paper by Fujiki and Imai et al. (DOI: 10.1002/slct.201600881).