Regulating SnO2 surface by metal oxides possessing redox or acidic properties: The importance of active O2−/O22− and acid sites for toluene deep oxidation

Yao Guo, Lanling Zeng, Xianglan Xu, Yaqian Liu, Yang Liu, Xiongcong Fu, Zezhou Gao, Zijian Qian, Junwei Xu, Xiuzhong Fang, Xiang Wang