Interpenetrating networks of polythiophenes and fullerene derivatives give rise to charge transfer after irradiation with visible light. The resulting radical ion pairs have been studied by time-resolved EPR spectroscopy. At low temperatures (20 K), the radical pairs are spin correlated and locked at a distance of 27.1 Angstrom, whereas an increase of temperature causes the electron and the hole to move further away from each other.
Evidence of high charge mobility in photoirradiated polythiophene-fullerene composites / L., Pasimeni; L., Franco; M., Ruzzi; Mucci, Adele; Schenetti, Luisa; C., Luo; Dm, Guldi; K., Kordatos; M., Prato. - In: JOURNAL OF MATERIALS CHEMISTRY. - ISSN 0959-9428. - STAMPA. - 11:4(2001), pp. 981-983. [10.1039/b100842k]
Evidence of high charge mobility in photoirradiated polythiophene-fullerene composites
MUCCI, Adele;SCHENETTI, Luisa;
2001-01-01
Abstract
Interpenetrating networks of polythiophenes and fullerene derivatives give rise to charge transfer after irradiation with visible light. The resulting radical ion pairs have been studied by time-resolved EPR spectroscopy. At low temperatures (20 K), the radical pairs are spin correlated and locked at a distance of 27.1 Angstrom, whereas an increase of temperature causes the electron and the hole to move further away from each other.
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