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Photoconductivity detected magnetic resonance (PDMR) in crystalline tetracene

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Abstract.

A detailed experimental study of the modulation by a high power microwave of induced exciton photoconductivity in crystalline tetracene is presented. These experiments, so called PDMR (Photoconductivity Detected Magnetic Resonance) are supported by a theoretical model based on a matrix density formalism and taking into account the fission of singlet excitons, dimensionality of triplet excitons motions and singlet and triplet detrapping of charge carriers. The best agreement between the observed PDMR lines and calculated curves allows the determination of the pertinent parameters governing the different process involved in the description of the photoconductivity mechanism.

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Authors and Affiliations

  1. Laboratoire de Physique de la Matière Condensée, Faculté des Sciences de Tunis, Campus universitaire, Tunis 1002, Tunisia

    T. Barhoumi, A. Ben Fredj & H. Bouchriha

  2. Département de physique, Faculté des Sciences de Bizerte, 7021, Jarzouna, Bizerte, Tunisia

    S. Romdhane

  3. Département de physique, École Supérieure des Sciences et Techniques de Tunis, Tunisia

    F. Henia

Authors
  1. T. Barhoumi
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  2. S. Romdhane
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  3. A. Ben Fredj
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  4. F. Henia
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  5. H. Bouchriha
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Corresponding author

Correspondence to T. Barhoumi.

Additional information

Received: 6 March 2003, Published online: 4 August 2003

PACS:

72.20.Jv Charge carriers: generation, recombination, lifetime, and trapping - 71.35.Aa Frenkel excitons and self-trapped excitons - 76.70. Hb Optically detected magnetic resonance (ODMR)

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Barhoumi, T., Romdhane, S., Ben Fredj, A. et al. Photoconductivity detected magnetic resonance (PDMR) in crystalline tetracene. Eur. Phys. J. B 34, 143–153 (2003). https://doi.org/10.1140/epjb/e2003-00206-4

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  • DOI: https://doi.org/10.1140/epjb/e2003-00206-4

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