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Slow Hopping and Spin Dephasing of Coulombically Bound Polaron Pairs in an Organic Semiconductor at Room Temperature

URN to cite this document:
urn:nbn:de:bvb:355-epub-266929
Baker, W. J. ; Keevers, T. L. ; Lupton, J. M. ; McCamey, D. R. ; Boehme, C.
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Date of publication of this fulltext: 15 Nov 2012 07:31


Abstract

Polaron pairs are intermediate electronic states that are integral to the optoelectronic conversion process in organic semiconductors. Here, we report on electrically detected spin echoes arising from direct quantum control of polaron pair spins in an organic light-emitting diode at room temperature. This approach reveals phase coherence on a microsecond time scale, and offers a direct way to ...

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