Fig. 2From: One Step In Situ Loading of CuS Nanoflowers on Anatase TiO2/Polyvinylidene Fluoride Fibers and Their Enhanced Photocatalytic and Self-Cleaning PerformanceSEM images of a TiO2/PVDF fibers, b Cu 0.1, c Cu 0.5, and d Cu 1Back to article page