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. 2020 Feb 7;10:2151. doi: 10.1038/s41598-020-58965-w

Figure 8.

Figure 8

FESEM micrographs of (a) PVDF, (b) rGO/PVDF, (c) SnO2/PVDF, and (d) rGO/SnO2/PVDF.