Fig. 3From: Anion-Regulated Synthesis of ZnO 1D Necklace-Like Nanostructures with High Photocatalytic ActivitySEM images, digital photographs, and TEM images of ZnO nanostructures using a, e, i, m acetate, b, f, j, n nitrate, c, g, k, o chloride, and d, h, l, p sulfate anions as zinc precursor before and after the calcination procedureBack to article page