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. 2024 Jan 2;24(1):271. doi: 10.3390/s24010271

Figure 2.

Figure 2

(a) Photographic comparison of untreated fiber and MXene/WPU composite-coated fiber; photographs of MXene/WPU composite-coated fiber (b) without any strain, (c) under 300% strain, and (d) wound on a perspex bar. (e) SEM image of MXene/WPU composite-coated fiber.