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a) Transmittance, b) absorbance, and c) haze of UFT composites. d) Optical photos (in contact with the paper and away from the paper) and light scattering effect of UFT‐0 and UFT‐0.5. e) J−V curves of solar cells with UFT‐0, UFT‐0.5, UFT‐0.8, and UFT‐1. f) Schematic diagram of the light scattering effect of UFT composites on solar cells.
