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  • Title: [Optical diagnosis of large area homogenous dielectric barrier discharge in nitrogen at atmospheric pressure].
    Author: Jia L, Peng XW, Yang DZ, Wang WC, Zheng S.
    Journal: Guang Pu Xue Yu Guang Pu Fen Xi; 2013 Jan; 33(1):40-3. PubMed ID: 23586220.
    Abstract:
    In the present study, dielectric barrier homogenous discharge in nitrogen was obtained between large plate electrodes (150 x 300 mm) at atmospheric pressure and the emission spectra of N2 (C3pi(u) --> B3 pi(g)) and N2+ (B2 sigma(u)+ --> X2 sigma(g)+ 0-0 391.4 nm) were recorded. It was found that both the emission intensities of N2 (C3 pi(u) --> B3 pi(g) and N2+ (B2 sigma(u)+ --> X2 sigma(g)+ 0-0 391.4 nm) increase with the rising of the applied voltage and the driving frequency, respectively. The main physicochemical formation mechanism of N2+ (B2 sigma(u)+) in N2 and He+N2 mixtures homogenous discharge was discussed, and the penning ionization was proved to be the dominant formation mechanism.
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