Acta Physica Sinica, Volume. 69, Issue 16, 165202-1(2020)
Figures & Tables(12)
Fig. 2. Electron density maps at different times: (a)
Fig. 3. Curves of electric field strength with time at different positions on the central axis.
Fig. 4. Time-varying curve of applied voltage on the negative plate.
Fig. 5. Axial distributions of positive and negative ion density at different times: (a)
Fig. 7. Curve of the electric field strength at the tip with time.
Fig. 8. Variation curve of electric field strength with time at the tip under different pole spacing.
Fig. 9. The intensity of the electric field at the different poles: (a) All the time; (b) stable time.
Fig. 10. The increment of field strength at the tips of different pole spaces.
Table 1.
N2-O2 plasma chemical reactions.
N2-O2等离子体化学反应
View tableView in ArticleTable 1.
N2-O2 plasma chemical reactions.
N2-O2等离子体化学反应
类型 序号 反应式 反应速率 参考文献 电子碰撞反应 R1 ${\rm{e}} + {{\rm{N}}_{\rm{2}}} \to {\rm{e}} +{\rm{ e}} +{\rm{ N}}_{\rm{2}}^{{ + }} $ f (ε) [ 29 ]R2 ${\rm{e}} + {{\rm{O}}_2} \to {\rm{e}} + {\rm{e}} + {\rm{O}}_2^ + $ f (ε) [ 29 ]R3 ${\rm{e}} + {\rm{O}}_4^ + \to 2{{\rm{O}}_2}$ 1.4 × 10–42(300/Te)0.5 mol·s–1 [ 29 ]R4 ${\rm{e}} + {\rm{O}}_2^ + \to 2{\rm{O}}$ 2.0 × 10–13(300/Te) mol·s–1 [ 29 ]R5 ${\rm{e}} + 2{{\rm{O}}_2} \to {{\rm{O}}_2} + {\rm{O}}_2^ - $ 2.0 × 10–41(300/Te) mol·s–1·m–6 [ 29 ]重粒子反应 R6 ${\rm{O}}_{\rm{2}}^{{ + }}{{ + }}{{\rm{O}}_{\rm{2}}}{{ + }}{{\rm{N}}_{\rm{2}}} \to {\rm{O}}_{\rm{4}}^{{ + }}{{ + }}{{\rm{N}}_2}$ 2.4 × 10–42 mol·s–1·m–6 [ 29 ]R7 ${{\rm{N}}_{\rm{2}}}{\rm{O}}_{\rm{2}}^{{ + }}{{ + }}{{\rm{O}}_{\rm{2}}} \to {\rm{O}}_{\rm{4}}^{{ + }}{{ + }}{{\rm{N}}_2}$ 1.0 × 10–15 mol·s–1·m–3 [ 29 ]R8 ${{\rm{N}}_{\rm{2}}}{\rm{O}}_{\rm{2}}^{{ + }}{{ + }}{{\rm{N}}_{\rm{2}}} \to {\rm{O}}_2^{{ + }}{{ + 2}}{{\rm{N}}_{\rm{2}}}$ 4.3 × 10–10 mol·s–1·m–3 [ 29 ]R9 ${\rm{O}}_{\rm{2}}^{{ + }}{{ + 2}}{{\rm{N}}_{\rm{2}}} \to {{\rm{N}}_{\rm{2}}}{\rm{O}}_{\rm{2}}^{{ + }}{{ + }}{{\rm{N}}_{\rm{2}}}$ 9.0 × 10–43 mol·s–1·m–6 [ 29 ]R10 ${{\rm{O}}_{\rm{2}}} +{\rm{ N}}_{\rm{2}}^{{ + }} \to {{\rm{N}}_{\rm{2}}} +{\rm{ O}}_{\rm{2}}^{{ + }}$ 6.0 × 10–17 mol·s–1·m–3 [ 29 ]R11 ${\rm{N}}_{\rm{2}}^{{ + }}{{ + }}{{\rm{N}}_{\rm{2}}}{{ + }}{{\rm{O}}_{\rm{2}}} \to {{\rm{O}}_{\rm{2}}} + {\rm{N}}_{\rm{4}}^{{ + }}$ 5.0 × 10–41 mol·s–1·m–6 [ 29 ]R12 ${{\rm{O}}_{\rm{2}}}+ {\rm{ N}}_{\rm{4}}^{{ + }} \to {\rm{2}}{{\rm{N}}_{\rm{2}}}+ {\rm{ O}}_{\rm{2}}^{{ + }}$ 2.5 × 10–16 mol·s–1·m–3 [ 29 ]R13 ${\rm{2}}{{\rm{N}}_{\rm{2}}}+ {\rm{ N}}_{\rm{2}}^{{ + }} \to {{\rm{N}}_{\rm{2}}}+ {\rm{ N}}_{\rm{4}}^{{ + }}$ 5.0 × 10–41 mol·s–1·m–6 [ 29 ]R14 ${\rm{O}}_{\rm{2}}^{{ + }}+ {\rm{ 2}}{{\rm{O}}_{\rm{2}}} \to {\rm{O}}_{\rm{4}}^{{ + }}{{ + }}{{\rm{O}}_{\rm{2}}}$ 2.4 × 10–42 mol·s–1·m–6 [ 29 ]R15 ${\rm{O}}_{\rm{4}}^{{ + }}+ {\rm{ O}}_{\rm{2}}^ - \to {\rm{3}}{{\rm{O}}_{\rm{2}}}$ 1.0 × 10–13 mol·s–1·m–3 [ 29 ]R16 ${\rm{O}}_{\rm{4}}^{{ + }}+ {\rm{ O}}_{\rm{2}}^ - {{ + }}{{\rm{N}}_2} \to {\rm{3}}{{\rm{O}}_{\rm{2}}} + {{\rm{N}}_{\rm{2}}}$ 2.0 × 10–17 mol·s–1·m–6 [ 29 ]R17 ${\rm{O}}_{\rm{4}}^{{ + }}+ {\rm{ O}}_{\rm{2}}^ - {{ + }}{{\rm{O}}_{\rm{2}}} \to {\rm{3}}{{\rm{O}}_{\rm{2}}}{{ + }}{{\rm{O}}_{\rm{2}}}$ 2.0 × 10–17 mol·s–1·m–6 [ 29 ]R18 ${\rm{O}}_{\rm{2}}^{{ + }}+ {\rm{ O}}_{\rm{2}}^ - {{ + }}{{\rm{O}}_{\rm{2}}} \to {\rm{2}}{{\rm{O}}_{\rm{2}}}{{ + }}{{\rm{O}}_{\rm{2}}}$ 2.0 × 10–17 mol·s–1·m–6 [ 29 ]R19 ${\rm{O}}_{\rm{2}}^{{ + }}+ {\rm{ O}}_{\rm{2}}^ - {{ + }}{{\rm{N}}_{\rm{2}}} \to {\rm{2}}{{\rm{O}}_{\rm{2}}}{{ + }}{{\rm{N}}_{\rm{2}}}$ 2.0 × 10–17 mol·s–1·m–6 [ 29 ]
Table 2.
Surface reactions.
表面反应
View tableView in ArticleTable 2.
Surface reactions.
表面反应
序号 反应式 针电极(阴极) 板电极(阳极) γ εi/eV γ εi/eV R20 ${\rm{e}} + {\rm{N}}_{\rm{2}}^{{ + }} \to {{\rm{N}}_{\rm{2}}}$ 0.05 4 0 0 R21 ${\rm{e }}+{{\rm{N}}_{\rm{2}}}{\rm{O}}_{\rm{2}}^{{ + }} \to {{\rm{N}}_{\rm{2}}}{{ + }}{{\rm{O}}_{\rm{2}}}$ 0.05 4 0 0 R22 ${\rm{e}} + {\rm{N}}_{\rm{4}}^{{ + }} \to {\rm{2}}{{\rm{N}}_{\rm{2}}}$ 0.05 4 0 0 R23 ${\rm{e}} + {\rm{O}}_{\rm{2}}^{{ + }} \to {{\rm{O}}_{\rm{2}}}$ 0.05 4 0 0 R24 ${\rm{e}} +{\rm{ O}}_{\rm{4}}^{{ + }} \to 2{{\rm{O}}_{\rm{2}}}$ 0.05 4 0 0 R25 ${\rm{e}} +{\rm{ O}}_{\rm{2}}^{{ - }} \to {{\rm{O}}_{\rm{2}}}$ 0 0 0 0
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Yu Chai, Ni Zhang, Jie Liu, Ning Yin, Shu-Lin Liu, Jing-Yuan Zhang.
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Received: Jan. 14, 2020
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Published Online: Jan. 4, 2021
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