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Combining Single Wall Carbon Nanotubes and Photoactive Polymers for Photoconversion

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journal contribution
posted on 20.07.2005, 00:00 authored by G. M. Aminur Rahman, Dirk M. Guldi, Rita Cagnoli, Adele Mucci, Luisa Schenetti, Lisa Vaccari, Maurizio Prato
A combination of van der Waals and electrostatic interactions was used to integrate SWNT and a suitably functionalized polythiophene into nanostructured ITO electrodes. In the resulting electron donor/acceptor nanocomposites, polythiophene represents the light-harvesting chromophore that readily donates an excited-state electron to the ground-state electron-accepting SWNT. Upon illumination, monochromatic incident photoconversion efficiencies between 1.2 and 9.3% were determined for single and eight-sandwiched layers, respectively.