Energy transfers by long-lived species in glows and afterglows (Articolo in rivista)

Type
Label
  • Energy transfers by long-lived species in glows and afterglows (Articolo in rivista) (literal)
Anno
  • 2002-01-01T00:00:00+01:00 (literal)
Alternative label
  • De Benedictis S.; Dilecce G. (2002)
    Energy transfers by long-lived species in glows and afterglows
    in Pure and applied chemistry (Print)
    (literal)
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  • De Benedictis S.; Dilecce G. (literal)
Pagina inizio
  • 317 (literal)
Pagina fine
  • 326 (literal)
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  • Impact Factor: 1.750 (literal)
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  • 74 (literal)
Rivista
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  • The energy transfers of the various active species present in the plasma, electrons, ions, neutrals, are basic for plasma reactivity. Energy transfers mark the internal state distribution of such species since most of them are state dependent. In low-temperature plasmas the distributions are generally non-equilibrium ones. Their shape results from the couplings between the different elementary kinetics involving electrons, ions, atoms and molecules with different internal excitation. The features of the individual processes can be recognized in the time evolution of the distributions through their characteristic relaxation times. In this paper we address those aspects of energy transfers that are useful for diagnostic purposes as well as for kinetic modeling of glow discharges and afterglows. This is made reviewing the experiments and analysis of energy transfers operated by long-lived species, or atoms in ground electronic state formed in non equilibrium plasmas. The detection and energy characterization of long-lived species as well as the modeling of their elementary kinetics in various discharge mixtures is an issue of current interest, despite the wide literature at disposal. Here we highlight the investigations of our group on collision-induced electronic transitions (CIET) by vibrationally excited molecules (V-E) in CO and NO. CIET by He(23S) and N2(Aƒ£ƒÃu) metastables in N2-CO, He-NO, He-N2-O2, N2-O2, and N2-H2O glow and afterglow. (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • Centro di Studio per la Chimica dei Plasmi CNR, Via Orabona 4 (literal)
Titolo
  • Energy transfers by long-lived species in glows and afterglows (literal)
Abstract
  • An overview on the current literature on diagnostics and modeling of energy transfers by long lived-species in N2-CO, He-NO, He-N2-O2, N2-O2, and N2-H2O plasma is given. Energy transfers by vibrationally excited ground state long-lived species and by electronic molecular and atomic metastables will be highlighted (literal)
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