The tensile strength of different nanofiber membranes was evaluated through tensile tests, and the results are shown in Figure 3d. The tensile strength of Blend-0.1GO, Coaxial-0.1GO, Blend-0.5GO, and Coaxial-0.5GO nanofibers were 3.22 ± 0.28MPa, 4.50 ± 0.56MPa, 2.86 ± 0.31MPa, and 3.87 ± 0.48MPa, respectively. The results showed that the tensile strength of coaxial nanofiber membranes was significantly improved compared to blended nanofiber membranes. In both blended and coaxial nanofiber membranes, the tensile strength of the nanofiber membrane decreases with the increase of GO content.
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