1. Jiangsu Key Laboratory for Chemistry of Low-Dimensional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huaian 223300, P. R. China
2. School of Material Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, P. R. China
3. Key Laboratory of Unconventional Oil & Gas Development, China University of Petroleum (East China), Qingdao 266580, P. R. China
4. Shandong Key Laboratory of Oilfield Chemistry, School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, P. R. China