[1] Foshan Univ, Sch Mat Sci & Hydrogen Energy, Foshan 528000, Peoples R China
[2] Univ Connecticut, Inst Mat Sci, Polymer Program, Storrs, CT 06269 USA
[3] Univ Connecticut, Dept Chem & Biomol Engn, Storrs, CT 06269 USA
[4] Foshan Univ, Sch Elect Informat Engn, Foshan 528000, Peoples R China