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. 2021 Mar 13;28(28):37520–37533. doi: 10.1007/s11356-021-13202-3

Fig. 4.

Fig. 4

SEM images of a PVDF, b PVDF + 5 wt% TNT, c PVDF + 10 wt% TNT, and d PVDF + 15 wt% TNT