Figure 3

Optical image of as-made (a) and SEM images obtained from cross-section (b–c). The logσ-fCNT profile (d) and plots of normalized ρ v.s. T and RH (insert). Blue region denotes fCNT = η.

Optical image of as-made (a) and SEM images obtained from cross-section (b–c). The logσ-fCNT profile (d) and plots of normalized ρ v.s. T and RH (insert). Blue region denotes fCNT = η.