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Photoinduced Electron Transfer from Xanthene Dyes into Colloidal AgTiO2 Nanoparticles

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Certain xanthene derivatives namely fluorescein, eosin and erythrosine were examined as sensitizer for colloidal AgTiO2 nanoparticles. The interactions were studied by absorption, FT-IR, steady state and time resolved fluorescence spectroscopic measurements. Apparent association constants (K app) resulting from the adsorption of dyes on the surface of AgTiO2 nanoparticles were calculated from both absorption and fluorescence studies. The rate of electron transfer process (k et) was calculated by using fluorescence lifetime measurements.
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Document Type: Research Article

Publication date: 2010-12-01

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  • ADVANCED SCIENCE LETTERS is an international peer-reviewed journal with a very wide-ranging coverage, consolidates research activities in all areas of (1) Physical Sciences, (2) Biological Sciences, (3) Mathematical Sciences, (4) Engineering, (5) Computer and Information Sciences, and (6) Geosciences to publish original short communications, full research papers and timely brief (mini) reviews with authors photo and biography encompassing the basic and applied research and current developments in educational aspects of these scientific areas.
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