Design and Synthesis of Nanostructured Materials for Sensor Applications

Figure 1

(a) Typical TEM image of ZnO quantum dots (QDs) obtained through a wet synthesis method. (b) SEM images of ZnO nanorods. (c) SEM image of ZnO nanosheets formed through a simple mixed hydrothermal synthesis method. (d) SEM images of acid-washed porous SnO₂ microcubes after calcination at 900°C for 2 h. Inset: TEM image of the as-prepared porous SnO₂ microcubes. (e) ZnO ultra porous film made by flame spray pyrolysis. Adapted from [5], an open access article.