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
FRANCO, LORENZO;RUZZI, MARCO;
2001
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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