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Nano Convergence
Fig. 3 | Nano Convergence

Fig. 3

From: Self-assembled wide bandgap nanocoatings enabled outstanding dielectric characteristics in the sandwich-like structure polymer composites

Fig. 3

Charge characteristics of nanodomains, trap parameters, and schematic diagram of the coating to enhance the electrical strength of polymer dielectrics. a Surface potential dissipation map of PTFE based on KPFM. b Surface potential dissipation map of coated PTFE based on KPFM. c Images of PTFE before (left) and after (right) charging by SEM. d Images of coated PTFE before (left) and after (right) charging by SEM. e Normalized surface potential dissipation curves of PTFE before and after coating. f PTFE trap parameters, g Coated PTFE trap parameters. h Schematic diagram of the mechanism by which the coating enhances the breakdown strength. i Schematic diagram of the coating to enhance the flashover voltage

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