Figure 1From: Growth of 3-D flower/grass-like metal oxide nanoarchitectures based on catalyst-assisted oxidation methodSEM images. (a) Cu2O grass-like nanoarchitectures, (b) ZnO flower-like nanoarchitectures, and (c) Al nanowires grown on Cu, Zn, and Al powders at 150°C under 55% to 75% humidity for 2, 7, and 10 days, respectively.Back to article page