Russian Journal of Physical Chemistry B

, Volume 10, Issue 1, pp 69–76 | Cite as

Radio-frequency superradiance induced by the rheological explosion of polymer composites containing paramagnetic cobalt complexes

  • A. I. Aleksandrov
  • I. A. Aleksandrov
  • S. B. Zezin
  • E. N. Degtyarev
  • A. A. Dubinskiy
  • S. S. Abramchuk
  • A. I. Prokof’ev
Chemical Physics of Polymer Materials
  • 15 Downloads

Abstract

Superradiance induced by the rheological explosion of composites based on polystyrene, cobalt acetylacetonate, and/or 3,5-di-tert-butylcatechol has been investigated. The superradiance intensity is determined by solid-phase chemical reactions induced by the rheological explosion. EPR, X-ray diffraction, and electron microscopic characterization of stable products resulting from the rheological explosion in the polymer matrix has demonstrated that the superradiance intensity is related to the electronic properties and structure of two-spin intermediates, namely, radical pairs and organoelement biradicals.

Keywords

rheological explosion superradiance polymer triplet state annihilation 

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Copyright information

© Pleiades Publishing, Ltd. 2016

Authors and Affiliations

  • A. I. Aleksandrov
    • 1
  • I. A. Aleksandrov
    • 1
  • S. B. Zezin
    • 2
  • E. N. Degtyarev
    • 3
  • A. A. Dubinskiy
    • 3
  • S. S. Abramchuk
    • 4
  • A. I. Prokof’ev
    • 4
  1. 1.Enikolopov Institute of Synthetic Polymer MaterialsRussian Academy of SciencesMoscowRussia
  2. 2.Moscow State UniversityMoscowRussia
  3. 3.Semenov Institute of Chemical PhysicsRussian Academy of SciencesMoscowRussia
  4. 4.Nesmeyanov Institute of Organoelement CompoundsRussian Academy of SciencesMoscowRussia

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