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pH dependent spectral properties and electronic structure of benzothiazol containing cyanine dyes |
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| Authors: | MR Mazires C Duprat JG Wolf AD Roshal |
| Affiliation: | aUniversité Paul Sabatier, Synthèse et Physicochimie de Molécules d'Intérêt Biologique (SPCMIB), UMR 5068, F-31062 Toulouse Cedex 9, France;bInstitute of Chemistry at Kharkov National University, Department of Physical Organic Chemistry, 4 Svobody Square, Kharkov 61077, Ukraine |
| Abstract: | The absorption and emission properties of some cyanine dyes over a range of 8 pH units are presented. Theoretical investigations of their electronic structure in the ground and excited states have been undertaken and the nature of the electronic transitions in the protonated and non-protonated forms is rationalised. |
| Keywords: | Cyanine dyes pH influence on spectroscopic characteristics UV– visible and fluorescence Calculated electronic densities |
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