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External environment sensitive circularly polarized luminescence properties of a chiral boron difluoride complex.
Ikeshita, Masahiro; He, Hongxi; Kitahara, Maho; Imai, Yoshitane; Tsuno, Takashi.
Afiliação
  • Ikeshita M; Department of Applied Molecular Chemistry, College of Industrial Technology, Nihon University Narashino Chiba 275-8575 Japan ikeshita.masahiro@nihon-u.ac.jp tsuno.takashi@nihon-u.ac.jp.
  • He H; Department of Applied Molecular Chemistry, College of Industrial Technology, Nihon University Narashino Chiba 275-8575 Japan ikeshita.masahiro@nihon-u.ac.jp tsuno.takashi@nihon-u.ac.jp.
  • Kitahara M; Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan y-imai@apch.kindai.ac.jp.
  • Imai Y; Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan y-imai@apch.kindai.ac.jp.
  • Tsuno T; Department of Applied Molecular Chemistry, College of Industrial Technology, Nihon University Narashino Chiba 275-8575 Japan ikeshita.masahiro@nihon-u.ac.jp tsuno.takashi@nihon-u.ac.jp.
RSC Adv ; 12(53): 34790-34796, 2022 Nov 29.
Article em En | MEDLINE | ID: mdl-36540273
ABSTRACT
A chiral Schiff-base boron difluoride complex bearing a diethylamino group was synthesized. Its photophysical properties were investigated and compared with those of its non-substituted analogue. The complex was found to exhibit solvatofluorochromism with bluish-white emission in moderately polar solvents and intense blue emission in nonpolar solvent. Circularly polarized luminescence (CPL) properties were also examined and it was found that the absolute value of the luminescence dissymmetry factor (g lum) increases significantly in the KBr-dispersed pellet state compared to the solution state. Notably, CPL intensity of the complex enhanced approximately three times upon addition of CH3SO3H in CH2Cl2. Density functional theory (DFT) calculations were conducted to further understand the photophysical properties.

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Tipo de estudo: Diagnostic_studies Idioma: En Ano de publicação: 2022 Tipo de documento: Article

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Tipo de estudo: Diagnostic_studies Idioma: En Ano de publicação: 2022 Tipo de documento: Article