Synthesis mechanism of nanoporous Sn3O4 nanosheets by hydrothermal process without any additives |
XRD pattern (a), SEM (b), HRTEM image (c), and XPS (d) of nanoporous Sn3O4 nanosheets. The upper left inset in panel (b) shows the TEM image, the upper right inset is the SEM image, and the lower right inset is the SAED pattern. |