Production of N2(C3Πu) and N2(C′3Πu) by mutual collisions of N2(A3Σ+u) metastable molecules

Hays, G. N.; Tracy, Clarence; Demonchy, A. R.; Oskam, H. J.

doi:10.1016/0009-2614(72)80131-3

Cited by 30 publications

(4 citation statements)

References 8 publications

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“…The bulk of the SPS and FPS emission observed in the discharge spectrum is the direct result of electron excitation processes, while HIR is exclusively the result of N 2 (C″) production via energy-pooling reactions of N 2 (A) metastables in the post-discharge phase [11][12][13][14][15]:…”

Section: Qualitative Analysis Of Spectramentioning

confidence: 99%

The relation between the production efficiency of nitrogen atoms and the electrical characteristics of a dielectric barrier discharge

Peeters

Yang

Sanden

2015

Plasma Sources Sci. Technol.

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Section: Qualitative Analysis Of Spectramentioning

confidence: 99%

The relation between the production efficiency of nitrogen atoms and the electrical characteristics of a dielectric barrier discharge

Peeters

Yang

Sanden

2015

Plasma Sources Sci. Technol.

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“…When the density of the N 2 (A 3 + u ) species is high enough, we can expect efficient formation of N 2 ( 3 , 5 ) states via energy pooling reactions [9][10][11][12][13]…”

Section: Introductionmentioning

confidence: 99%

Observation of the N₂Herman infrared system in pulsed positive streamer induced emission at atmospheric pressure

Šimek

Babický

Člupek

et al. 2001

J. Phys. D: Appl. Phys.

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Time-resolved emission spectroscopy has been applied to the study of optical emission induced by pulsed positive primary streamers in coaxial geometry generated in high-purity nitrogen at atmospheric pressure. During the investigation of the post-discharge emission, the formation of N2(B 3Πg, C 3Πu, C'' 5Πu, C' 3Πu) states through N2(A 3Σu+) energy pooling reactions has been discovered. The evolution of the N2(A 3Σu+) metastable species has been inferred through the analysis of the time dependence of the band intensities of the Herman infrared N2(C'' 5Πu→ A' 5Σg+) system. It has been found that, in the case of pulsed positive streamers generated in high-purity nitrogen, the maximum density of the N2(A 3Σu+) metastables occurs during the early post-discharge period (0.5-1 µs). The production of NO(X 2Π) and OH(X 2Π) radicals originating from O2 and H2O impurities has been inferred from the emissions of the NO(A 2Σ+) and OH(A 2Σ+) states. The maximum densities of the NO(X 2Π) and OH(X 2Π) radicals occur in the 9 and 5 µs post-discharge times, respectively.

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“…In order to observe the second positive emission in the reaction cell, the N2(C) state must be populated by production from some other metastable species. The collision of two A-state metastables (6.2 eV of energy) has been shown to populate the C state (11.1 eV excitation energy) via an efficient energy pooling reaction (22,23)…”

Section: Methodsmentioning

confidence: 99%

Trace analysis by metastable energy transfer for atomic luminescence

Dodge¹,

Allen²

1981

Anal. Chem.

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Combining eq A8, All, and A12 r¡ = L2/(wAp) (A13) establishes a relation between the characteristic decay time and the ionic mobility in terms of the distance between the probes and the applied potential. Using eq A10 and A13 N¡ = n exp(-x/L) -L < x < L (A14) which agrees with the solution found for the so-called plasma-capacitor in the limit of low charge density (23). Due to the absence of the diffusion term in eq A5, the charge density does not obey the boundary conditions 1V¡(±L) = 0.

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Production of N2(C3Πu) and N2(C′3Πu) by mutual collisions of N2(A3Σ+u) metastable molecules

Cited by 30 publications

References 8 publications

The relation between the production efficiency of nitrogen atoms and the electrical characteristics of a dielectric barrier discharge

The relation between the production efficiency of nitrogen atoms and the electrical characteristics of a dielectric barrier discharge

Observation of the N₂Herman infrared system in pulsed positive streamer induced emission at atmospheric pressure

Trace analysis by metastable energy transfer for atomic luminescence

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Production of N2(C3Πu) and N2(C′3Πu) by mutual collisions of N2(A3Σ+u) metastable molecules

Cited by 30 publications

References 8 publications

The relation between the production efficiency of nitrogen atoms and the electrical characteristics of a dielectric barrier discharge

The relation between the production efficiency of nitrogen atoms and the electrical characteristics of a dielectric barrier discharge

Observation of the N2Herman infrared system in pulsed positive streamer induced emission at atmospheric pressure

Trace analysis by metastable energy transfer for atomic luminescence

Contact Info

Product

Resources

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Observation of the N₂Herman infrared system in pulsed positive streamer induced emission at atmospheric pressure