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

doi:10.1039/c3cc44899a

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

Weizmann Institute of Science, Israel

Research output: Contribution to journal › Article › peer-review

37 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 + 0.0007T ².

Original language	English
Pages (from-to)	8662-8664
Number of pages	3
Journal	Chemical Communications
Volume	49
Issue number	77
DOIs	https://doi.org/10.1039/c3cc44899a
Publication status	Published - Aug 29 2013

ASJC Scopus subject areas

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

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10.1039/c3cc44899a

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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, 29.08.2013, p. 8662-8664.

Research output: Contribution to journal › Article › peer-review

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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 + 0.0007T 2.",

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AU - Carter, Emma

AU - Murphy, Damien M.

AU - Manoli, Maria

AU - Leitus, Gregory M.

AU - Bendikov, Michael

AU - Rawson, Jeremy M.

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 + 0.0007T 2.

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