Triplet spin excitons in organic charge transfer complexes

D. Nöthe, W. Moroni, H. J. Keller, Z. G. Soos, S. Mazumdar

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Electron paramagnetic resonance (EPR) spectra of single crystals of the 1 : 1 charge transfer (CT) complex of N, N'-dimethyldihydrophenazine (M2P) and of tetracyanoquinodimethane (TCNQ) provide the first case of thermally activated, with ΔEp = 0.60 ± 0.06 eV, triplet spin excitons observed in an organic CT solid. The narrow EPR lines and resolved fine structure splittings indicate mobile triplets based on adjacent M2P+TCNQ- ion radicals above a largely neutral ground state.

Original languageEnglish (US)
Pages (from-to)713-716
Number of pages4
JournalSolid State Communications
Issue number11
StatePublished - Jun 1978

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry


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