Influence of the electronic energy level broadening on the ionization of atoms in hot and dense plasmas: An average atom model demonstration

2006 ◽  
Vol 13 (9) ◽  
pp. 093301 ◽  
Author(s):  
Yong Hou ◽  
Fengtao Jin ◽  
Jianmin Yuan
Keyword(s):  
Energy Level ◽  
Electronic Energy ◽  
Dense Plasmas ◽  
Atom Model ◽  
Electronic Energy Level ◽  
Average Atom Model

Dielectronic Recombination in the Average-Atom Model

1988 ◽  
Vol 102 ◽  
pp. 215
Author(s):  
R.M. More ◽  
G.B. Zimmerman ◽  
Z. Zinamon
Keyword(s):  
Detailed Balance ◽  
Systematic Errors ◽  
Dielectronic Recombination ◽  
Rate Equations ◽  
Strong Correlations ◽  
Dense Plasmas ◽  
Atom Model ◽  
New Feature ◽  
Average Atom Model ◽  
Attachment Process

Autoionization and dielectronic attachment are usually omitted from rate equations for the non–LTE average–atom model, causing systematic errors in predicted ionization states and electronic populations for atoms in hot dense plasmas produced by laser irradiation of solid targets. We formulate a method by which dielectronic recombination can be included in average–atom calculations without conflict with the principle of detailed balance. The essential new feature in this extended average atom model is a treatment of strong correlations of electron populations induced by the dielectronic attachment process.

scholarly journals A simplified method for calculating spectral emission of nonequilibrium air plasmas in hypersonic shock-layers

2021 ◽  
Vol 3 (1) ◽  
Author(s):  
Xin He ◽  
Cheng Gao ◽  
Tao Jiang
Keyword(s):  
Energy Level ◽  
Electronic Energy ◽  
Air Plasma ◽  
Spectral Emission ◽  
Radiative Processes ◽  
Air Plasmas ◽  
Significant Difference ◽  
Simplified Method ◽  
Electronic Energy Level ◽  
Hypersonic Shock

AbstractA simplified method for calculating the spectral emission of nonequilibrium air plasmas is developed. In order to obtain the nonequilibrium energy level populations, the nonequilibrium coefficients are introduced into the Saha-Boltzmann equation. These nonequilibrium coefficients are calculated by using several significant radiative processes. An approach to the determination of nonequilibrium electronic energy level populations of diatomic molecules is also presented. Based on the method, spectral emission of atoms and molecules in a typical air plasma cell is investigated. The results reveal that there is a significant difference between the nonequilibrium and equilibrium emission. We apply the method to the nonequilibrium AVCO R-156 experiment. Good agreement with the NEQAIR code and the measured data is shown, indicating that the method is reasonable and has good accuracy.

A solid reaction towards in situ hybridization of carbon dots and conjugated polymers for enhanced light absorption and conversion

2017 ◽  
Vol 53 (68) ◽  
pp. 9426-9429 ◽  
Author(s):  
Shengliang Hu ◽  
Yufeng Zhou ◽  
Chaorui Xue ◽  
Jinlong Yang ◽  
Qing Chang
Keyword(s):  
In Situ Hybridization ◽  
Energy Level ◽  
Conjugated Polymers ◽  
Carbon Dots ◽  
Level Structure ◽  
Electronic Energy ◽  
Solid Reaction ◽  
Energy Level Structure ◽  
Electronic Energy Level

The incorporation of carbon dots into poly(diphenylbutadiyne) nanostructures induces the change of the electronic energy level structure and enhances photocatalytic performances.

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