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. 2020 Apr 27;10(5):830. doi: 10.3390/nano10050830

Figure 2.

Figure 2

(a,b) SEM images of a membrane with pore diameter d ≈ 18 nm and h ≈ 100 nm, (c,d) atomic force microscopy (AFM) topographic images and height profiles of the pristine membrane and after graphene transfer, respectively.