Figure 4 | Scientific Reports

Figure 4

From: In-situ preparation of hierarchical flower-like TiO2/carbon nanostructures as fillers for polymer composites with enhanced dielectric properties

Figure 4

Cross-sectional SEM images of (a) pure P(VDF-HFP), and its composites filled with (b) 15 vol.% B-350, and 20 vol.% (c) B-300, (d) B-275. The insets in (b) and (c) are the typical film thicknesses. The insets in (d) are the digital photos of the sample filled with 20 vol.% B-275 particles, showing the flexibility of the film.

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