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)
       
The valence-band XPS spectra of Sn3O4 after exposing in the atmosphere for one year.