Synthesis mechanism of heterovalent Sn2O3 nanosheets in oxidation annealing process
Zhao Jun-Hua†a), Tan Rui-Qinb), Yang Yec), Xu Weic), Li Jiac), Shen Wen-Fengc), Wu Guo-Qianga), Yang Xu-Fenga), Song Wei-Jiec)
       
(a) TEM, (b) HRTEM, and (c) SAED images of Sn3O4 nanosheets annealed under oxygen atmosphere at 300 °C for 1 h. (d) and (e) SEM images of Sn3O4 nanosheets before and after annealing. (f) and (g) Typical SAED patterns of SnO and SnO2 particles.