Spin-triplet excitons in 1,3-diphenyl-7-(fur-2-yl)-1,4-dihydro-1,2,4- benzotriazin-4-yl

Christos P. Constantinides, Emma Carter, Damien M. Murphy, Maria Manoli, Gregory M. Leitus, Michael Bendikov, Jeremy M. Rawson, Panayiotis A. Koutentis

Research output: Contribution to journal › Article

26 Citations (Scopus)

Abstract

7-(Fur-2-yl)benzotriazinyl 1 is the first example of a hydrazyl radical dimer with a thermally accessible triplet state. The triplet exciton (|D| = 0.018 cm-1, |E| = 0.001 cm-1) was observed by solid-state VT-EPR spectroscopy between 5 and 140 K. VT crystallography, DFT calculations and magnetic susceptibility studies reveal a strong temperature dependence of the intra-dimer exchange interaction with J/k ∼ -254 + 0.0007T2.

Original languageEnglish
Pages (from-to)8662-8664
Number of pages3
JournalChemical Communications
Volume49
Issue number77
DOIs
Publication statusPublished - Oct 7 2013

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Excitons
Dimers
Crystallography
Exchange interactions
Magnetic susceptibility
Discrete Fourier transforms
Paramagnetic resonance
Spectroscopy
Temperature
diphenyl
LDS 751

ASJC Scopus subject areas

  • Chemistry(all)
  • Catalysis
  • Ceramics and Composites
  • Surfaces, Coatings and Films
  • Materials Chemistry
  • Metals and Alloys
  • Electronic, Optical and Magnetic Materials

Cite this

Constantinides, C. P., Carter, E., Murphy, D. M., Manoli, M., Leitus, G. M., Bendikov, M., ... Koutentis, P. A. (2013). Spin-triplet excitons in 1,3-diphenyl-7-(fur-2-yl)-1,4-dihydro-1,2,4- benzotriazin-4-yl. Chemical Communications, 49(77), 8662-8664. https://doi.org/10.1039/c3cc44899a

Spin-triplet excitons in 1,3-diphenyl-7-(fur-2-yl)-1,4-dihydro-1,2,4- benzotriazin-4-yl. / Constantinides, Christos P.; Carter, Emma; Murphy, Damien M.; Manoli, Maria; Leitus, Gregory M.; Bendikov, Michael; Rawson, Jeremy M.; Koutentis, Panayiotis A.

In: Chemical Communications, Vol. 49, No. 77, 07.10.2013, p. 8662-8664.

Research output: Contribution to journal › Article

Constantinides, CP, Carter, E, Murphy, DM, Manoli, M, Leitus, GM, Bendikov, M, Rawson, JM & Koutentis, PA 2013, 'Spin-triplet excitons in 1,3-diphenyl-7-(fur-2-yl)-1,4-dihydro-1,2,4- benzotriazin-4-yl', Chemical Communications, vol. 49, no. 77, pp. 8662-8664. https://doi.org/10.1039/c3cc44899a
Constantinides CP, Carter E, Murphy DM, Manoli M, Leitus GM, Bendikov M et al. Spin-triplet excitons in 1,3-diphenyl-7-(fur-2-yl)-1,4-dihydro-1,2,4- benzotriazin-4-yl. Chemical Communications. 2013 Oct 7;49(77):8662-8664. https://doi.org/10.1039/c3cc44899a
Constantinides, Christos P. ; Carter, Emma ; Murphy, Damien M. ; Manoli, Maria ; Leitus, Gregory M. ; Bendikov, Michael ; Rawson, Jeremy M. ; Koutentis, Panayiotis A. / Spin-triplet excitons in 1,3-diphenyl-7-(fur-2-yl)-1,4-dihydro-1,2,4- benzotriazin-4-yl. In: Chemical Communications. 2013 ; Vol. 49, No. 77. pp. 8662-8664.
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AU - Leitus, Gregory M.

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AU - Koutentis, Panayiotis A.

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AB - 7-(Fur-2-yl)benzotriazinyl 1 is the first example of a hydrazyl radical dimer with a thermally accessible triplet state. The triplet exciton (|D| = 0.018 cm-1, |E| = 0.001 cm-1) was observed by solid-state VT-EPR spectroscopy between 5 and 140 K. VT crystallography, DFT calculations and magnetic susceptibility studies reveal a strong temperature dependence of the intra-dimer exchange interaction with J/k ∼ -254 + 0.0007T2.

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