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Shift of emission band upon excitation at the long wavelength absorptio edge. 1. A preliminary survey for quinine and related compounds

✍ Scribed by K. Itoh; T. Azumi

Publisher: Elsevier Science
Year: 1973
Tongue: English
Weight: 426 KB
Volume: 22
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(73)80576-7

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✦ Synopsis

Fluorescence

and phosphorescence of quinine and its related compounds are found to exhibit a red-shift upon excitation at the long wavelength'edpe of the first absorption band, and this anomaly is investigated in detail. A mechanism which satisfactorily accounts for the experimental findings is proposed.

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Shift of emission band upon excitation at the long-wavelength absorption edge. Time-dependent fluorescence shift of a fluid ethanol solution of 6-methoxyquinoline

✍ Takeshi Ikeyama; Tohru Azumi; Toshiro Murao; Iwao Yamazaki 📂 Article 📅 1983 🏛 Elsevier Science 🌐 English ⚖ 227 KB

The fluorescence spectrum of 6-metho\yquinoliie ia fluid ethanol solution at 294 K shifts progressively to the red with time. The results are discussed ia connection with the excitatiorrenergy-dependent fluorescence shift previously sNdied.