Growth Parameters for Films of Hydrothermally Synthesized One-Dimensional Nanocrystals of Zinc Oxide

Figure 9

(a) Schematic diagram showing the possible agglomeration of ZnO nanoparticles upon evaporation of the solvent (A), thin layer of colloidal nanoparticles (B), and agglomerated clumps of ZnO nanoparticles with various orientations of the -axes of the nanocrystallites (C). (b) Scanning electron microscope (SEM) image of ZnO particle seed layer using colloidal ZnO nanoparticles. Inset: ZnO nanorods grown using a 10 mM growth solution for 15 h (reproduced with the permission from [60]).