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Issue 77, 2013
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Spin-triplet excitons in 1,3-diphenyl-7-(fur-2-yl)-1,4-dihydro-1,2,4-benzotriazin-4-yl

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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.

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

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Publication details

The article was received on 30 Jun 2013, accepted on 23 Jul 2013 and first published on 24 Jul 2013


Article type: Communication
DOI: 10.1039/C3CC44899A
Chem. Commun., 2013,49, 8662-8664

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

    C. P. Constantinides, E. Carter, D. M. Murphy, M. Manoli, G. M. Leitus, M. Bendikov, J. M. Rawson and P. A. Koutentis, Chem. Commun., 2013, 49, 8662
    DOI: 10.1039/C3CC44899A

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