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
- High Power Laser and Particle Beams
- Vol. 32, Issue 7, 075001 (2020)
Fig. 1. Plasma immersion ion implantation system
Fig. 2. Surface potential measurement system
Fig. 3. XPS energy spectra of PTFE samples at different RF power and different processing time
Fig. 4. XPS energy spectrum of element C of some PTFE samples
Fig. 5. XPS energy spectra of element N of some PTFE samples
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
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Table 1. Proportion of content of element C in PTFE sample surface before and after ion implantation
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Table 2. Energy level and density of traps on the surface of PTFE samples under different RF power and processing time
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