Coherent and incoherent spin-relaxation dynamics of electron-hole pairs in a π -conjugated polymer at low magnetic fields

URN to cite this document:: urn:nbn:de:bvb:355-epub-752213
DOI to cite this document:: 10.5283/epub.75221

Tennahewa, T. H. ; Hosseinzadeh, S. ; Atwood, S. I. ; Popli, H. ; Malissa, H.

; Lupton, John M.

; Boehme, C.

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Date of publication of this fulltext: 11 Mar 2025 15:09

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Abstract

We report room-temperature measurements of the spin-relaxation times T1 and T2 of electron-hole chargecarrier spins in an organic light-emitting diode based on the π-conjugated polymer SY-PPV at low (1mT � B0 � 10mT) static magnetic fields, using electrically detected—through spin-Rabi oscillation-controlled recombination currents—magnetic resonant Hahn-echo and inversion-recovery pulse ...