High Power Laser and Particle Beams, Volume. 32, Issue 7, 075001(2020)
Influence of nitrogen ion implantation on surface charge accumulation and dissipation of polytetrafluoroethylene
Figures & Tables(13)
Fig. 3. XPS energy spectra of PTFE samples at different RF power and different processing time
Fig. 6. FTIR spectra of PTFE samples under different RF power and processing time
Fig. 7. Relationship between water contact angle of PTFE sample surface，RF power，and processing time
Fig. 8. Relationship between surface resistivity of PTFE samples and RF power and processing time
Fig. 9. Decay curve of surface central potential with time for PTFE samples under different RF power and processing time
Fig. 10. Normalized decay curve of surface center potential of PTFE samples with different RF power and processing time
Fig. 11. Distribution curve of trap level on PTFE sample surface under different RF power and processing time
Table 1. Proportion of content of element C in PTFE sample surface before and after ion implantation
View tableView in ArticleTable 1. Proportion of content of element C in PTFE sample surface before and after ion implantation
RF power/W processing time/h proportion/% C C＝O CF CF2 CF3 0 0 31.1 8.4 1.4 58.2 0.8 200 1 32.2 5.3 1.5 59.5 1.6 200 2 17.4 5.3 2.1 72.9 2.2 400 2 16.6 5.0 2.1 69.5 6.7
Table 2. Energy level and density of traps on the surface of PTFE samples under different RF power and processing time
View tableView in ArticleTable 2. Energy level and density of traps on the surface of PTFE samples under different RF power and processing time
RF power/W processing time/h surface trap level/eV surface trap density/（1020eV−1·m−3） 0 0 0.756 9.82 200 1 0.754 9.19 200 2 0.755 8.56 400 2 0.735 7.04
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Chang Liu, Falun Song, Mingdong Zhu, Chunxia Li, Beizhen Zhang, Fei Li, Ganping Wang, Haitao Gong, Yanqing Gan, Xiao Jin. Influence of nitrogen ion implantation on surface charge accumulation and dissipation of polytetrafluoroethylene[J]. High Power Laser and Particle Beams, 2020, 32(7): 075001
Paper Information
Category: Pulsed Power Technology
Received: Feb. 25, 2020
Accepted: --
Published Online: Jul. 10, 2020
The Author Email: Song Falun (songfalun@caep.cn)
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