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30-fs Hole-Transfer Dynamics in Polymer/PCBM Bulk Heterojunction

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Abstract

Methanofullerene PCBM is used in the majority of modern plastic photovoltaic devices. Using visible-IR ultrafast spectroscopy we resolve the 30-fs hole-transfer following PCBM excitation and show that PCBM exciton harvesting depends on the blend morphology.

© 2010 Optical Society of America

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