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. Author manuscript; available in PMC: 2011 Oct 13.
Published in final edited form as: Nano Lett. 2010 Oct 13;10(10):3904–3908. doi: 10.1021/nl101602z

Figure 3.

Figure 3

TEM images of carbonized membranes with 10% of C2H2 at 750°C and various soak times: (a) untreated, (b) 5 minutes, (c) 10 minutes. A 15-minute soak time (d) occluded the majority of pores. Scale bar is 20 nm. (e) Pore size distribution as calculated from TEM images (f) Graph showing size (blue ‘X’) and porosity (red ‘O’) dependence with treatment time. The standard deviation of porosity and diameter is 0.3% and 0.7 nm, respectively.