Fig. 1From: Core-Shell Fiber-Based 2D Woven Triboelectric Nanogenerator for Effective Motion Energy HarvestingFabrication and structure of the 2DW-WTNG. a Schematic diagram illustrating the fabrication process. SEM images of the nylon thread (b) and the polyester thread (c), respectively. Optical images of the nylon thread coated copper wire (d) and the polyester thread coated steel wire (e), respectively. f Optical images of the 2DW-WTNGBack to article page