Fig. 1From: Omni-directional wind-driven triboelectric nanogenerator with cross-shaped dielectric filmIllustrations and photographs of the fabricated a, b C-TENG and C-film, and c, d CIA-TENG and CIA-film; (i) diagonal and (ii) top view of C- and CIA-film, and (iii) side view of the C- and CIA-TENGBack to article page