[Ma, Li-Li; Li, Jia-Lin; Yu, Ying] Huazhong Normal Univ, Coll Phys Sci & Technol, Wuhan 430079, Peoples R China.
[Sun, Hai-Zhen] Xiamen Univ, Coll Chem, Xiamen 361005, Peoples R China.
[Qiu, Ming-Qiang] Huazhong Normal Univ, Coll Chem, Wuhan 430079, Peoples R China.
[Wang, Jian-Bo] Wuhan Univ, Ctr Electron Microscopy, Wuhan 430072, Peoples R China.
[Chen, Jin-Yi] Wuhan Inst Technol, Sch Environm & Civil Engn, Wuhan 430073, Peoples R China.