School of Chemistry and Materials Science;
Key Laboratory of Functional Inorganic Material Chemistry;
Ministry of Education of the People's Republic of China;
Heilongjiang University;
Harbin 150080;
China;
Shandong Provincial Key Laboratory of Molecular Engineering;
School of Chemistry and Chemical Engineering;
Qilu University of Technology(Shandong Academy of Sciences);
Ji'nan 250353;
China;
Mesoporous CeO_(2); Photocatalysis; Nanosheet; Surface oxygen vacancy; Surface defect;