Excitation wavelength dependence of photo-induced intramolecular proton transfer reaction of 4′-N,N-diethylamino-3-hydroxyflavone in various liquids

• 須田, 佳代

• Terazima, Masahide

• Kimura, Yoshifumi

抄録

Excitation wavelength dependence of photo-induced intramolecular excited state proton transfer reaction of 4′-N, N-diethylamino-3-hydroxyflavone in various liquids has been investigated by steady-state and time-resolved fluorescence measurements. It was found that the relative fluorescence intensity of the tautomer excited state to that of the normal excited state significantly decreases in ionic liquids with changing the excitation wavelength from 380 to 470 nm. The initial proton transfer rate excited at 470 nm was different from that obtained at 400 nm excitation. The excitation wavelength dependence was discussed in relation with the inhomogeneous distribution of the solute in the ionic liquids.

収録刊行物

• Chemical Physics Letters

  Chemical Physics Letters 531 70-74, 2012-04

  Elsevier B.V.

詳細情報

• CRID: 1050001335729288832
• NII論文ID: 120003988360
• NII書誌ID: AA11523800
• ISSN: 00092614
• HANDLE: 2433/154855
• 本文言語コード: en
• 資料種別: journal article
• データソース種別:
  • IRDB
  • CiNii Articles