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Photoinduced Electron Transfer of Single Walled Carbon Nanotubes Surrounded by Fullerodendrimers in Aqueous Media

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Photoinduced electron-transfer processes of single walled carbon nano-tubes (SWNTs) dispersed in aqueous solution in the presence of fullerodendrimer have been studied by the steady-state and time-resolved spectroscopic methods. On addition of methylviologen dication (MV2+) as an electron pooling reagent, the radical cation MV•+ was accumulated by visible light illumination of the SWNT-fullerodendrimer ensembles. The fluorescence lifetimes of the fullerene moiety and efficient accumulation of MV•+ suggest that the photosensitized charge separation occurs between the fullerene moiety and SWNTs, followed by electron-mediating and hole-shifting processes, resulting in the persistent MV•+.

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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