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Absorption and emission spectroscopic characterization of alloxazine in aqueous solutions

Penzkofer, Alfons (2016) Absorption and emission spectroscopic characterization of alloxazine in aqueous solutions. J. Photochem. Photobiol. A: Chemistry 314, pp. 114-124.

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Abstract

The absorption and emission spectroscopic behavior of alloxazine is studied in aqueous solutions at pH 4 (10−4 M HCl) and pH 10 (10−4 M NaOH). At pH 4 only the pure form of alloxazine is present, while at pH 10 about 9% of alloxazine is present in its tautomeric form of isoalloxazine. Absorption cross-section spectra, fluorescence emission quantum distributions, fluorescence excitation quantum ...

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Item type:Article
Date:2016
Institutions:Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Alfons Penzkofer
Identification Number:
ValueType
10.1016/j.jphotochem.2015.08.011DOI
Keywords:alloxazine; lumichrome; photo-induced -tautomerization; radiative lifetimes; n-HOMO and pi-HOMO level determination; photo-induced n-HOMO →pi-HOMO electron transfer
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:32747
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