Facile Hydrothermal Synthesis and Basic Gas-Sensing Properties of Two Three-Dimensional Nanostructures of SnO<sub>2</sub>

<table>Schematic illustration of the evolution processes of the SnO<sub>2</sub> sheet-spheres.</table>

Journal of Nanomaterials

Figure 4: Facile Hydrothermal Synthesis and Basic Gas-Sensing Properties of Two Three-Dimensional Nanostructures of SnO<sub>2</sub> 