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Chiral supramolecular thiophene fluorophore consisting of thiophenecarboxylic acid derivatives
Authors:Takaya KimotoNaoki Shiota  Takafumi KinutaTomohiro Sato  Nobuo TajimaHayato Tokutome  Reiko KurodaMichiya Fujiki  Yoshio MatsubaraYoshitane Imai
Institution:a Department of Applied Chemistry, Faculty of Science and Engineering, Kinki University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
b Computational Materials Science Center, National Institute for Materials Science 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan
c Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan
d Graduate School of Materials Science, Nara Institute of School and Technology, Takayama, Ikoma, Nara 630-0192, Japan
Abstract:Solid-state chiral supramolecular thiophene fluorophore has been successfully prepared by using chiral (R)-1-(2-naphthyl)ethylamine and 5-bromothiophene-2-carboxylic acid. This chiral supramolecular thiophene fluorophore is formed by assembling chiral 21-helical columnar network structures composed of (R)-1-(2-naphthyl)ethylamine and 5-bromothiophene-2-carboxylic acid. This supramolecular organic fluorophore exhibits circularly polarized luminescence (CPL) even in the solid state.
Keywords:Chiral  Circularly polarized luminescence (CPL)  Fluorescence  Supramolecule  Thiophene
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