1. Department of Chemistry and
Chemical Engineering, Baoji University of Arts and Science, 1 Gaoxin Road, Baoji, Shaanxi 721013, P.R. China
2. School of Chemistry and Chemical
Engineering, Inner Mongolia University,
235 West University Road, Hohhot, 010021, P.R. China
3. Department of Advanced Materials
Science, Faculty of Engineering, Kagawa University, 2217-20 Hayashi-cho, Takamatsu-shi 761-0396, Japan