[Zhang, Yun-Fu; Tang, Xiao; Bao, Wen-Hu; Wang, Zheng; He, Wei-Min; Tan, Jia-Xi] Hunan Univ Sci & Engn, Dept Chem, Yongzhou 425100, Peoples R China.
[Cao, Zhong; Zhu, Qin] Changsha Univ Sci & Technol, Hunan Prov Key Lab Mat Protect Elect Power & Tran, Changsha 410114, Peoples R China.
[Tan, Jia-Xi] Hunan Univ Sci & Technol, Sch Chem & Chem Engn, Xiangtan 411201, Peoples R China.
[Lin, Ying-Wu] Univ South China, Sch Chem & Chem Engn, Hengyang 421001, Peoples R China.