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Differentiation between polaron-pair and triplet-exciton polaron spin-dependent mechanisms in organic light-emitting diodes by coherent spin beating

URN to cite this document:
urn:nbn:de:bvb:355-epub-267086
Baker, W. J. ; McCamey, D. R. ; van Schooten, K. J. ; Lupton, J. M.
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Date of publication of this fulltext: 15 Nov 2012 08:21


Abstract

Pulsed electrically detected magnetic resonance offers a unique avenue to distinguish between polaron-pair (PP) and triplet-exciton polaron (TEP) spin-dependent recombination, which control the conductivity and magnetoresistivity of organic semiconductors. Which of these two fundamental processes dominates depends on carrier balance: by injecting surplus electrons we show that both processes ...

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